Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice

This handy Spectrum Math Grade 4 Answer Key Chapter 3 Lesson 3.9 Addition and Subtraction Practice provides detailed answers for the workbook questions.

Spectrum Math Grade 4 Chapter 3 Lesson 3.9 Addition and Subtraction Practice Answers Key

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Question 1.
a.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 1
Answer:
Addition of 39741 with 4372 then you get 44113.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-1
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-1(d)
By adding 1 with 2 we get 3.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-1(d)
By adding 4 with 7 we get 11. So add 1 to the hundreds place.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-1(c)
By adding 1, 7 and 3 we get 11. So add 1 to the thousands place.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-1(b)
By adding 1, 9 and 4 we get 14. So add 1 to the ten thousands place.
Add the ten thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-1(a)
By adding 4 with 0 we get 4.

b.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 2
Answer:
Addition of 75103 with 1789 then you get 76892.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-2
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-2(e)
By adding 3 with 9 we get 12.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-2(d)
By adding 1, 0 and 8 we get 9.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-2(c)
By adding 1 with 7 we get 8.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-2(b)
By adding 5 with 1 we get 6.
Add the ten thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-2(a)
By adding 7 with 0 we get 7.

c.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 3
Answer:
Addition of 34396 with 33715 then you get 68111.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-3
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-3 (1e)
By adding 6 with 5 we get 11. So add 1 to the tens place.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-3 (1d)
By adding 1, 9 and 1 we get 11. So add 1 to the hundreds place.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-3(c)
By adding 1, 3 and 7 we get 11. So add 1 to the thousands place.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-3(b)
By adding 1, 4 and 3 we get 8.
Add the ten thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-3(a)
By adding 3 with 3 we get 6.

d.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 4
Answer:
Addition of 60056 with 13051 then you get 73107.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-4(1)
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-4(e)
By adding 6 with 1 we get 7.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-4(d)
By adding 5 with 5 we get 10. So add 1 to the hundreds place.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-4(c)
By adding 1, 0 and 0 we get 1.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-4(b)
By adding 0 with 3 we get 3.
Add the ten thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-4(a)
By adding 6 with 1 we get 7.

e.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 5
Answer:
Addition of 9408 with 2592 then you get 12000.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-5
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-5(e)
By adding 8 with 2 we get 10.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-5(d)
By adding 1, 0 and 9 we get 10. So add 1 to the hundreds place.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-5(c)
By adding 1, 4 and 5 we get 10. so add 1 to the thousands place.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-5(b)
By adding 1, 9 and 2 we get 12.

Question 2.
a.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 6
Answer:
Addition of 1515 with 1212 then you get 2727.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-6
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-6(d)
By adding 5 with 2 we get 7.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-6(b)
By adding 1 with 1 we get 2.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-6(b)
By adding 5 with 2 we get 7.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-6(a)
By adding 1 with 1 we get 2.

b.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 7
Answer:
Addition of 10768 with 9275 then you get 20038.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-7
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-7(e)
By adding 3 with 5 we get 8.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-7(d)
By adding 6 with 7 we get 13. So add 1 to the hundreds place.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-7(c)
By adding 1, 7 and 2 we get 10. So add 1 to the thousands place.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-7(b)
By adding 1, 0 and 9 we get 10. So add 1 to the ten thousands place.
Add the ten thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-7(a)
By adding 1 with 1 we get 2.

c.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 8
Answer:
Addition of 66804 with 32198 then you get 99002.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-8
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-8(f)
By adding 4 with 8 we get 12. So add 1 to the tens place.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-8(e)
By adding 1, 0 and 9 we get 10. So add 1 to the hundreds place.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-8(d)
By adding 1, 8 and 1 we get 10. So add 1 to the thousands place.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-8(c)
By adding 1, 6 and 2 we get 9.
Add the ten thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-8(b)
By adding 6 with 3 we get 9.

d.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 9
Answer:
Addition of 2575 with 1984 then you get 4559.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-9
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-9(d)
By adding 5 with 4 we get 9.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-9(c)
By adding 7 with 8 we get 15. So add 1 to the hundreds place.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-9(b)
By adding 1, 5 and 9 we get 15. So add 1 to the thousands place.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-9(a)
By adding 1, 2 and 1 we get 4.

e.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 10
Answer:
Addition of 25788 with 17875 then you get 43663.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-10
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-10(e)
By adding 8 with 5 we get 13. So add 1 to the tens place.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-10(d)
By adding 1, 8 and 7 we get 16. So add 1 to the hundreds place.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-10(c)
By adding 1, 7 and 8 we get 16. so add 1 to the thousands place.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-10(b)
By adding 1, 5 and 7 we get 13. so add 1 to the ten thousands place.
Add the ten thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-10(a)
By adding 1, 2 and 1 we get 4.

Question 3.
a.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 11
Answer:
Addition of 13362 with 44202 then you get 57564.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-11
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-11(d)
By adding 2 with 2 we get 4.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-11(d)
By adding 6 with 0 we get 6.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-11(c)
By adding 3 with 2  we get 5.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-11(b)
By adding 3 with 4 we get 7.
Add the ten thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-11(a)
By adding 1 with 4 we get 5.

b.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 12
Answer:
Addition of 45245 with 2163 then you get 47408.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-11
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-12(e)
By adding 5 with 3 we get 8.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-12(d)
By adding 4 with 6 we get 10. so add 1 to the hundreds place.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-12(c)
By adding 1, 2 and 1 we get 4.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-12(b)
By adding 5 with 2 we get 7.
Add the ten thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-12(a)
By adding 4 with 0 we get 4.

c.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 13
Answer:
Addition of 74612 with 3400 then you get 78012.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-13
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-13(e)
By adding 2 with 0 we get 2.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-13(d)
By adding 1 with 0 we get 1.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-13(c)
By adding 6 with 4 we get 10. So add 1 to the thousands place.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-13(b)
By adding 1, 4 and 3 we get 8.
Add the ten thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-13(a)
By adding 7 with 0 we get 7.

d.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 14
Answer:
Addition of 45220 with 1399 then you get 46619.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-14
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-14(d)
By adding 0 with 9 we get 9.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-14(c)
By adding 2 with 9 we get 11. So add 1 to the hundreds place.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-14(b)
By adding 1, 2 and 3 we get 6.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-14(a)
By adding 5 with 1 we get 6.
Add the ten thousand:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-14
By adding 4 with 0 we get 4.

e.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 15
Answer:
Addition of 4998 with 3975 then you get 8973.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-15
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-15(c)
By adding 8 with 5 we get 13. So add 1 to the tens place.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-15(b)
By adding 1, 9 and 7 we get 17. So add 1 to the hundreds place.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-15(a)
By adding 1, 9 and 9 we get 19. so add 1 to the thousands place.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-15
By adding 1, 4 and 3 we get 8.

Question 4.
a.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 16
Answer:
Addition of 371 with 287 then you get 658.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-16
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-16(c)
By adding 1 with 7 we get 8.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-16(a)
By adding 7 with 8 we get 15. So add 1 to the hundreds place.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-16
By adding 1, 3 and 2 we get 6.

b.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 17
Answer:
Addition of 2513, 727 and 236 then you get 3476.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-17
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-17(d)
By adding 3, 7 and 6 we get 16. So add 1 to the tens place.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-17(c)
By adding 1, 1, 2, and 3 we get 7.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-17(b)
By adding 5, 7 and 2 we get 14. So add 1 to the thousands place.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-17(a)
By adding 1 with 2 we get 3.

c.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 18
Answer:
Addition of 937 with 793 then you get 1730.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-18
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-18(b)
By adding 7with 3 we get 10. So add 1 to the tens place.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-18(a)
By adding 1, 3 and 9 we get 13. So add 1 to the hundreds place.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-18
By adding 1, 9 and 7 we get 17.

d.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 19
Answer:
Addition of 815, 673 and 295 then you get 1783.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-19
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-19(b)
By adding 5, 3 and 5 we get 13. So add 1 to the tens place.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-19(a)
By adding 1, 1, 7 and 9 we get 18. So add 1 to the hundreds place.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-19
By adding 1, 8, 6 and 2 we get 17.

e.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 20
Answer:
Addition of 7035, 1293 and 713 then you get 9041.

Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-20(c)
By adding 5, 3 and 3 we get 11. So add 1 to the tens place.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-20(b)
By adding 1, 3, 9 and 1 we get 14. So add 1 to the hundreds place.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-20(a)
By adding 1, 0, 2 and 7 we get 10. So add 1 to the thousands place.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-20
By adding 1, 7 and 1 we get 9.

Subtract.

Question 5.
a.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 21
Answer:
Subtract 2147 from 5703 then you get 3656.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-21
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-21(c)
By subtracting 7 from 3 is not possible. So take the borrow from tens.
13 – 7 = 6
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-21(b)
By subtracting 4 from 9 we get 5.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-21(a)
By subtracting 1 from 7 we get 6.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-21
By subtracting 2 from 5 we get 3.

b.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 22
Answer:
Subtract 7616 from 13817 then you get 6201.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-22
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-22(d)
By subtracting 6 from 7 we get 1.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-22(c)
By subtracting 1 from 1 we get 0.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-22(b)
By subtracting 6 from 8 we get 2.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-22(a)
By subtracting 7 from 13 we get 6.

c.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 23
Answer:
Subtract 130 from 1215 then you get 1085.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-23
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-23(d)
By subtracting 0 from 5 we get 5.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-23(c)
By subtracting 3 from 1 is not possible. So take borrow from the hundreds.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-23(b)
By subtracting 1 from 1 we get 0.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-23(a)
By subtracting 0 from 1 we get 1.

d.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 24
Answer:
Subtract 19782 from 36973.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-24 (1)
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-24(d)
By subtracting 2 from 3 we get 1.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-24(c)
By subtracting 8 from 7 is not possible. So take borrow from the hundreds place.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-24(b)
By subtracting 7 from 8 we get 1.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-24(a)
By subtracting 9 from is not possible. So take borrow from the ten thousands place.
Subtract the ten thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-24
By subtracting 1 from 2 we get 1.

e.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 25
Answer:
Subtract 6327 from 7113 then you get 876.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-25
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-25(d)
By subtracting 7 from 3 is not possible. So take borrow from the tens place.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-25(c)
By subtracting 2 from 0 is not possible. So take borrow from the hundreds place.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-25(b)
By subtracting 3 from is not possible. So take borrow from the thousands place.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-25(a)
By subtracting 6 from 6 we get 0.

Question 6.
a.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 26
Answer:
Subtract 7983 from 79342 then you get 71359.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-26
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-26(d)
By subtracting 3 from 2 is not possible. So take borrow from the tens place.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-26(c)
By subtracting 8 from 3 is not possible. So take borrow from the hundreds place.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-26(b)
By subtracting 9 from 2 is not possible. So take borrow from the thousands.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-26(a)
By subtracting 7 from 8 we get 1.
Subtract the ten thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-26
By subtracting 0 from 7 we get 7.

b.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 27
Answer:
Subtract 24712 from 44500 then you get 19888.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-27
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-27(e)
By subtracting 2 from 0 is not possible. So take borrow from the tens.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-27(d)
By subtracting 9 from 1 we get 8.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-27(c)
By subtracting 7 from 5 is not possible. So take borrow from the thousands place.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-27(b)
By subtracting 4 from 3 is not possible. so take borrow from the ten thousands.
Subtract the ten thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-27(a)
By subtracting 2 from 3 we get 1.

c.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 28
Answer:
Subtract 4372 from 6137 then you get 1755.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-28
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-28(c)
By subtracting 2 from 7 we get 5.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-28(b)
By subtracting 7 from 3 is not possible. So take borrow from the hundreds place.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-28(a)
By subtracting 3 from 0 is not possible. So take borrow from the thousands place.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-28
By subtracting 4 from 5 we get 1.

d.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 29
Answer:
Subtract 50913 from 60704 then you get 9791.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-29
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-29(d)
By subtracting 3 from 4 we get 1.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-29(d)
By subtracting 1 from 9 we get 8.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-29(c)
By subtracting 9 from 7 is not possible. So take the borrow from the thousands.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-29(b)
By subtracting 0 from 9 we get 9.
Subtract the ten thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-29(a)
By subtracting 5 from 5 we get 0.

e.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 30
Answer:
Subtract 7512 from 9702 then you get 2190.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-30
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-30(d)
By subtracting 2 from 2 we get 0.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-30(c)
By subtracting 1 from 0 is not possible. So take borrow from the hundreds place.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-30(b)
By subtracting 5 from 6 we get 1.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-30
By subtracting 7 from 9 we get 2.

Question 7.
a.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 31
Answer:
Subtract 370 from 8791 then you get 8421.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-31
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-31(d)
By subtracting 0 from 1 we get 1.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-31(c)
By subtracting 7 from 9 we get 2.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-31(b)
By subtracting 3 from 7 we get 4.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-31(a)
By subtracting 0 from 8 we get 8

b.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 32
Answer:
Subtract 1807 from 3487 then you get 1680.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-32
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-32(d)
By subtracting 7 from7 we get 0.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-32(c)
By subtracting 0 from 8 we get 8.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-32(b)
By subtracting 8 from 4 is not possible. So take the borrow from the thousands place.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-32(a)
By subtracting 1 from 2 we get 1.

c.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 33
Answer:
Subtraction of 5907 from 55013 we get 49106.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-33
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-33(e)
By subtracting 7 from 3 is not possible. So take borrow from the tens:
13 – 7 = 6.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-33(d)
By subtracting 0 from 0 we get 0.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-33(c)
By subtracting 9 from 0 is not possible. So take borrow from the thousands place.
10 – 9 = 1.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-33(b)
By subtracting 5 from 4 is not possible. so take borrow from the ten thousands place.
Subtract the ten thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-33(a)
By subtracting 0 from 4 we get 4.

d.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 34
Answer:
Subtraction of 45797 from 47893 we get 2096.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-34
Explanation:
Subtract the ones:
By subtracting 7 from 3 is not possible. so take borrow from the tens.
13 – 7 = 6
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-34(e)
Subtract the tens:
By subtracting 9 from 8 is not possible. So take borrow from the hundreds.
18 – 9 = 9.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-34(d)
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-34(c)
Subtracting 7 from 7 we get 0.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-34(b)
By subtracting 5 from 7 we get 2.
Subtract the ten thousand:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-34(a)
By subtracting 4 from 4 we get 0

e.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 35
Answer:
Subtraction of 795 from 8119 we get 7324.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-35
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-35(c)
By subtracting 5 from 9 we get 4.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-35(b)
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-35(a)
By subtracting 7 from 0 is not possible. So take borrow from the thousands.
10 – 7 = 3
Subtract the thousands:
Spectrum-MSpectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-35ath-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-35
By subtracting 0 from 7 we get 7.

Question 8.
a.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 36
Answer:
Subtraction of 26174 from 84003 we get 57829.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-36
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-36(f)
By subtracting 4 from 3 is not possible. So take borrow from the tens.
13 – 4 = 9.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-36(d)
By subtracting 7 from 9 we get 2.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-36(c)
By subtracting 1 from 9 we get 8.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-35(a)
By subtracting 6 from 4 is not possible. So take borrow from the ten thousand.
14 – 6 = 7.
Subtract the ten thousand:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-36(a)
By subtracting 2 from 7 we get 5.

b.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 37
Answer:
Subtraction of 9796 from 19834 we get 11838.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-37(2)
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-37(2e)
By subtracting 6 from 4 is not possible. So take borrow from the tens.
14 – 6 = 8.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-37(2d)
By subtracting 9 from 2 is not possible. So take borrow from the hundreds.
12 – 9 = 3.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-37(2c)
By subtracting 7 from 7 we get 0.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-37(2b)
By subtracting 9 from 9 we get 0.
Subtract the ten thousand:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-37(2a)
By subtracting 0 from 1 we get 1.

c.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 38
Answer:
Subtract 25126 from 39137 we get 14011.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-38
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-38(e)
By subtracting 6 from 7 we get 1.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-38(d)
By subtracting 2 from 3 we get 1.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-38(c)
By subtracting 1 from 1 we get 0.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-38(b)
By subtracting 5 from 9 we get 4.
Subtract the ten thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-38(a)
By subtracting 2 from 3 we get 1.

d.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 39
Answer:
Subtraction of 4837 from 6655 we get 2818.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-39
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-39(d)
By subtracting 7 from 5 is not possible. So take borrow from the tens place.
15 – 8 = 8.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-39(c)
By subtracting 3 from 4 we get1.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-39(b)
By subtracting 8 from 6 is not possible. So take borrow from the thousands.
16 – 8 = 8.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-39(a)
By subtracting 4 from 5 we get 1

e.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 40
Answer:
Subtract 957 from 7841 we get 6884.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-40
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-40(d)
By subtracting 7 from 1 is not possible so take borrow from the tens.
11 – 7 = 4
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-40(c)
By subtracting 5 from 3 is not possible. So take borrow from the hundreds.
13 – 5 = 8
Subtract the hundreds.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-40(b)
By subtracting 9 from 7 is not possible. So take borrow from the thousands place.
17 – 9 = 8.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-40(a)
By subtracting 0 from 6 we get 6.

Add.

Question 1.
a.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 41
Answer:
Addition of 6418, 527 and 318 we get 7263.
Explanation:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-41(a)
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-41(e)
By adding 1, 7 and 8 we get 23. So add 2 to the tens place.
Add the tens :
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-41(d)
By adding 2, 1, 2 and 1 we get 6.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-41(c)
By adding 4, 5 and 3 we get 12. so add 1 to the thousands place.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-41(b)
By adding 6 with 1 we get 7.

b.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 42
Answer:
Addition of 1385, 972 and 113 we get 2470.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-42
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-42(d)
By adding 5, 2 and 3 we get 10. So add 1 to the tens place.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-42(c)
By adding 1, 8, 7 and 1 we get 17. So add 1 to the hundreds place.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-42(b)
By adding 1, 3, 9 and 1 we get 14. So add 1 to the thousands place.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-42(a)
By adding 1 with 1 we get 2.

c.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 43
Answer:
Addition of 5759, 2132 and 784 we get 8675.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-43
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-43(d)
By adding 9, 2 and 4 we get 15. So add 1 to the tens place.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-43(c)
By adding 1, 5, 3 and 8 we get 17. So add 1 to the hundreds place.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-43(b)
By adding 1, 7, 1 and 7 we get 16. So add 1 to the thousands place.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-43(a)
By adding 1, 5 and 2 we get 8.

d.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 44
Answer:
Addition of 9107, 6048 and 710 we get 15865.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-44
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-44(d)
By adding 7, 8 and 0 we get 15. So add 1 to the tens place.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-44(c)
By adding 1, 0, 4 and 1 we get 6.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-44(b)
By adding 1, 0 and 7 we get 8.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-44(a)
By adding 9 with 6 we get 15.

e.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 45
Answer:
Addition of 1248, 1212 and 1047 we get 3507.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-45
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-45(d)
By adding 8, 2 and 7 we get 17. So add 1 to the tens place.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-45(c)
By adding 1, 4, 1 and 4 we get 10. So add 1 to the hundreds place.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-45(b)
By adding 1, 2, 2 and 0 we get 5.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-45(a)
By adding 1, 1 and 1 we get 3.

Question 2.
a.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 46
Answer:
Addition of 998 with 795 we get 1793.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-46
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-46(c)
By adding 8 with 5 we get 13. So add 1 to the tens place.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-46(b)
By adding 1, 9 and 9 we get 19. So add 1 to the hundreds place.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-46(a)
By adding 1, 9 and 7 we get 17.

b.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 47
Answer:
Addition of 10007 with 9323 we get 19330
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-47(a)
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-47(e)
By adding 7 with 3 we get 13. so add 1 to the tens place.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-47(e)
By adding 1, 0 and 2 we get 3.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-47(d)
By adding 0 with 3 we get 3.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-47(c)
By adding 0 with 9 we get 9.
Add the ten thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-47(a)
By adding 1 with 0 we get 1.

c.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 48
Answer:
Addition of 72457 with 38718 we get 1,11,175.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-48
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-48(e)
By adding 7 with 8 we get 15. So add 1 to the tens place.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-48(d)
By adding 1, 5 and 1 we get 7.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-48(c)
By adding 4 with 7 we get 11. So add 1 to the thousands place.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-48(b)
By adding 1, 2 and 8 we get 11. So add 1 to the ten thousands place.
Add the ten thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-48(a)
By adding 1, 7 and 3 we get 11.

d.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 49
Answer:
Addition of 6514 with 3572 we get 9086.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-49
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-49(e)
By adding 4 with 2 we get 6.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-49(d)
By adding 1 with 7 we get 8.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-49(c)
By adding 5 with 5 we get 10. So add 1 to the thousands place.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-49(b)
By adding 1, 6 and 3 we get 9.

e.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 50
Answer:
Addition of 105 with 103 we get 207.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-50
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-50(a)
By adding 5 with 3 we get 8.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-35(b)
By adding 0 with 0 we get 0.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-50
By adding 1 with 1 we get 2.

Subtract.

Question 3.
a.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 51
Answer:
Subtraction of 4092 from 8080 we get 3988.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-51
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-51(d)
By subtracting 2 from 0 is not possible. So take borrow from the tens place.
10 – 2 = 8.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-51(c)
By subtracting 9 from 7 is not possible. So take borrow from the hundreds place.
17 – 9 = 8.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-51(b)
By subtracting 0 from 9 we get 9.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-51(a)
By subtracting 4 from 7 we get 3.

b.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 52
Answer:
Subtraction of 37948 from 79998 we get 32050.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-52(b)
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-52(f)
By subtracting 8 from8 we get 0.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-52(e)
By Subtracting 4 from 9 we get 5.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-52(d)
By subtracting 9 from 9 we get 0.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-52(c)
By subtracting 7 from 9 we get 2.
Subtract the ten thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-52(c)
By adding 3 from 7 we get 4.

c.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 53
Answer:
Subtraction of 9007 from 47973 we get 38966.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-53(a)
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-53(e)
Subtraction of 7 from 3 is not possible. So take borrow from the tens.
13 – 7 = 6.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-53(d)
By subtracting 0 from 6 we get 6.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-53(c)
By subtracting 0 from 9 we get 9.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-53(b)
Subtract 9 from 7 is not possible. So take borrow from the ten thousands.
17 – 9 = 8.
Subtract the ten thousand:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-53(a)
By subtracting 0 from 3 we get 3.

d.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 54
Answer:
Subtraction of 6912 from 7013 we get 0101.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-54
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-54(b)
By subtracting 2 from 3 we get 1.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-54(a)
By subtracting 1 from 1 we get 0.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-54(a)
By subtracting 9 from 0 is not possible. So take borrow from the thousands.
10 – 9 = 1.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-54(a)
By subtracting 6 from 6 we get 0

e.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 55
Answer:
Subtraction of 7289 from 8173 we get 884.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-55
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-55(d)
By subtracting 9 from3 is not possible. So take borrow from the tens place.
13 – 9 = 4.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-55(c)
By subtracting 8 from 6 is not possible. So take borrow rom the hundreds place.
16 – 8 = 8.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-55(b)
By subtracting 2 from 0 is not possible. So take borrow from the thousands place.
10 – 2 = 8.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-55(a)
By subtracting 7 from 7 we get 0.

Question 4.
a.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 56
Answer:
Subtraction of 12092 from 18873 we get 6781.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-56
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-56(d)
By subtracting 2 from 3 we get 1.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-56(c)
By subtracting 9 from 7 is not possible. So take borrow from the hundreds place.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-56(b)
By subtracting 0 from 7 we get 7.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-56(a)
By subtracting 2 from 8 we get 6.
Subtract the ten thousand:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-56
By subtracting 1 from 1 get 0.

b.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 57
Answer:
Subtraction of 2076 from 51135 we get 49059.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-57
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-57(d)
By subtracting 6 from 5 is not possible. So take borrow from the tens.
15 – 6 = 9
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-57(c)
By subtracting 7 from 2 is not possible. So take borrow from the hundreds.
12 – 7 = 5.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-57(b)
By subtracting 0 from 0 we get 0.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-57(a)
By subtracting 2 from 1 is not possible. So take borrow from the ten thousands.
11 – 2 = 9.
Subtract the ten thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-57
By subtracting 0 from 4 we get 4.

c.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 58
Answer:
Subtraction of 4108 from 5117 we get 1009.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-58
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-58(d)
By subtracting 8 from 7 is not possible. So take the borrow from the tens place.
17 – 8 = 9.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-58(c)
By subtracting 0 from 0 we get 0.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-58(b)
By subtracting 1 from 1 we get 0.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-58(a)
By subtracting 4 from 5 we get 1.

d.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 59
Answer:
Subtraction of 945 from 1195 we get 250.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-59
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-59(c)
By subtracting 5 from 5 we get 0.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-59(b)
By subtracting 4 from 9 we get 5.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-59(a)
By subtracting 9 from 1 is not possible. So take the borrow from the thousands.
11 – 9 = 2.

e.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 60
Answer:
Subtraction of 6816 from 7495 we get 779.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-60
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-60(d)
By subtracting 6 from5 is not possible. So take borrow from the tens place.
15 – 6 = 9.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-60(c)
By subtracting 1 from 8 we get 7.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-60(b)
By subtracting 8 from 4 is not possible. So take borrow from the thousands.
14 – 8 = 7.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-60(a)
By subtracting 6 from 6 we get 0.

Add or Subtract.

Question 5.
a.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 61
Answer:
Addition of 4405 with 758 we get 5163.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-61
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-61(d)
By adding 5 with 8 we get 13. So add 1 to the tens place
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-61(c)
By adding 1, 0 and 5 we get 6.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-61(b)
By adding 4 with 7 we get 11. So add 1 to the thousands place.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-61(a)
By adding 1 with 4 we get 5.

b.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 62
Answer:
Subtract 8675 from 66481 we get 57806.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-62
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-62(e)
By subtracting 5 from 1 is not possible. So take the borrow from the tens.
11 – 5 = 6.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-62(d)
By subtracting 7 from 7 we get 0.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-62(c)
By subtracting 6 from 4 is not possible. So take borrow from the thousands place.
14 – 6 = 8
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-62(b)
By subtracting 8 from 5 is not possible. So take borrow from the ten thousands.
15 – 8 = 7.
Subtract the ten thousand:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-62(a)
By subtracting 0 from 5 we get 5.

c.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 63
Answer:
Subtract 3216 from 4007 we get
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-63 (1)
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-63 (c)
By subtracting 6 from 7 we get 1.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-63 (b)
By subtracting 1 from 0 is not possible. So take the borrow from the hundreds.
10 – 1 = 9.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-63 (a)
By subtracting 2 from 9 we get 7.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-63 (1)
By subtracting 3 from 3 we get 0.

d.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 64
Answer:
Addition of 12489 with 7981 we get 20470.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-64
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-64(e)
By adding 9 with 1 we get 10. So add 1 to the tens place.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-64(d)
By adding 1, 8 and 8 we get 17. So add 1 to the hundreds place.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-64(c)
By adding 1, 4 and 9 we get 14. So add 1 to the thousands place.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-64(b)
By adding 1, 2 and 7 we get 10. So add 1 to the ten thousands place.
Add the ten thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-64(a)
By adding 1 with 1 we get 2.

e.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 65
Answer:
Subtract 250 from 2817 we get 2567.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-65
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-65(c)
By subtracting 0 from 7 we get 7.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-65(b)
Subtracting 5 from 1 is not possible. So take borrow from hundreds place.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-65(b)
By subtracting 2 from 7 we get 5.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-65(a)
By subtracting 0 from 2 we get 2.

Question 6.
a.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 66
Answer:
Addition of 341 with 298 we get 639.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-66
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-66(c)
By adding 1 with 8 we get 9.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-66(b)
By adding 4 with 9 we get 11. So add 1 to the hundreds place.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-66(a)
By adding 1, 3 and 2 we get 6.

b.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 67
Answer:
Addition of 17116 with 8713 we get 25829.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-67
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-67(e)
By adding 6 with 3 we get 9.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-67(d)
By adding 1 with 1 we get 2.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-67(c)
By adding 1 with 7 we get 8.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-67(b)
By adding 7 with 8 we get 15. So add 1 to the ten thousands place.
Add the ten thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-67(a)
By adding 1 with 1 we get 2.

c.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 68
Answer:
Subtraction of 85762 from 97581 we get 11819.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-68
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-68(e)
By subtracting 2 from 1 is not possible. So take borrow from the tens.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-68(d)
By subtracting 6 from 7 we get 1.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-68(c)
By subtracting 7 from 5 is not possible. so take borrow from the thousands place.
15 – 7 = 8.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-68(b)
By subtracting 5 from 6 we get 1.
Subtract the ten thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-68(a)
By subtracting 8 from 9 we get 1.

d.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 69
Answer:
Addition of 6245 with 5345 we get 11590.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-69 (1)
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-69 (d)
By adding 5 with 5 we get 10. So add 1 to the tens place.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-69 (c)
By adding 1, 4 and 4 we get 9.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-69 (b)
By adding 2 with 3 we get 5.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-69 (a)
By adding 6 with 5 we get 11.

e.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 70
Answer:
Subtract 7335 from 15035 we get 8700.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-70
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-70(e)
By subtracting 5 from 5 we get 0.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-70(d)
By subtracting 3 from 3 we get 0.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-70(c)
By subtracting 3 from 0 is not possible. So take borrow from the thousands place.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-70(b)
By subtracting 7 from 4 is not possible. So take borrow from the ten thousands place.
Subtract the ten thousand:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-70(a)
By subtracting 0 from 0 we get 0

Question 7.
a.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 71
Answer:
Subtraction of 12734 from 14809 we get 27543.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-71
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-71(f)
By subtracting 4 from 9 we get 5.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-71(e)
By subtracting 3 from 0 is not possible. So take borrow from the hundreds.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-71(c)
By subtracting 7 from 7 we get 0.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-71(b)
By subtracting 2 from 4 we get 2.
Subtract the ten thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-71(a)
By subtracting 1 from 1 we get 0.

b.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 72
Answer:
Addition of 28785 with 13816 we get 42601.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-72
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-72(e)
By adding 5 with 6 we get 11. So add 1 to the tens place.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-72(d)
By adding 1, 8 and 1 we get 10. So add 1 to the hundreds place.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-72(c)
By adding 1, 7 and 8 we get 16. so add 1 to the thousands place.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-72(b)
By adding 1, 8 and 3 we get 12. So add 1 to the ten thousands place.
Add the ten thousand:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-72(a)
By adding 1, 2 and 1 we ger 4.

c.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 73
Answer:
Subtract 4517 from 9248 we get 4731.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-73(a)
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-73(e)
By subtracting 7 from 8 we get 1.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-73(d)
By subtracting 1 from 4 we get 3.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-73(c)
By subtracting 5 from 2 is not possible. So take borrow from the thousands.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-73(b)
By subtracting 4 from 8 we get 4.

d.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 74
Answer:
Addition of 5217 with 5172 we get 10389.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-74
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-74(d)
By adding 7 with 2 we get 9.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-74(c)
By adding 1 with 7 we get 8.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-74(b)
By adding 2 with 1 we get 3.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-74(a)
By adding 5 with 5 we get 10.

e.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 75
Answer:
Subtract 8862 from 92408 we get 83546.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-75
Explanation:
Subtract the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-75(e)
By subtracting 2 from8 we get 6.
Subtract the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-75(d)
By subtracting 6 from 0 is not possible. So take borrow from the hundreds.
Subtract the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-75(c)
By subtracting 8 from is not possible. So take borrow from the thousands place.
Subtract the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-75(b)
By subtracting 8 from 1 is not possible. So take borrow from the ten thousands place.
Subtract the ten thousand:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-75(a)
By subtracting o from 8 we get 8.

Question 8.
a.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 76
Answer:
Addition of 4500. 3217 and 2518 we get 10235.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-76(a)
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-76(e)
By adding 0, 7 and 8 we get 15. So add 1 to the tens place.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-76(d)
By adding 1, 0, 1 and 1 we get 3.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-76(c)
By adding 5, 2 and 5 we get 12. So add 1 to the thousands place.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-76(b)
By adding 1, 4, 3 and 2 we get 10.

b.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 77
Answer:

c.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 78
Answer:
Addition of 5218, 735 and 613 we get 6566.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-78
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-78(d)
By adding 8, 5 and 3 we get 16. So add 1 to the tens place.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-78(c)
By adding 1, 1, 3 and 1 we get 6.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-78(b)
By adding 2, 7 and 6 we get 15. So add 1 to the thousands place.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-78(a)
By adding 1 with 5 we get 6.

d.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 79
Answer:
Addition of 6208 with 1517 we get 7725.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-79
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-79(c)
By adding 8 with 7 we get 15. So add 1 to the tens place.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-79(b)
By adding 1, 0 and 1 we get 2.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-79(a)
By adding 2 with 5 we get 7.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-79
By adding 6 with 1 we get 7.

e.
Spectrum Math Grade 4 Chapter 3 Lesson 9 Answer Key Addition and Subtraction Practice 80
Answer:
Addition of 7185, 5807 and 914 we get 13906.
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-80
Explanation:
Add the ones:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-80(c)
By adding 5, 7 and 4 we get 16. So add 1 to the tens place.
Add the tens:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-80(b)
By adding 1, 8, 0 and 1 we get 10. So add 1 to the hundreds place.
Add the hundreds:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-80(b)
By adding 1, 1, 8 and 9 we get 19. So add 1 to the thousands place.
Add the thousands:
Spectrum-Math-Grade-4-Chapter-3-Lesson-9-Answer-Key-Addition-and-Subtraction-Practice-80(a)
By adding 1, 7 and 5 we get 13.

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