This handy Spectrum Math Grade 4 Answer Key Chapter 3 Lesson 3.3 Adding 4-Digit Numbers provides detailed answers for the workbook questions.
Spectrum Math Grade 4 Chapter 3 Lesson 3.3 Adding 4-Digit Numbers Answers Key
Add the ones.
Add the tens.
Add the hundreds.
Add the thousands.
Add.
Question 1.
a.
Answer:
Explanation:
Add the ones:
By adding 6 and 1 we get 7
Add the tens:
By adding 7 and 2 we get 9.
Add the hundreds:
By adding 5 and 3 we get 8.
Add the thousand:
By adding 1 and 1 we get 2.
b.
Answer:
Explanation:
Add the ones:
By adding 9 and 9 we get 18.
1 will be carried to the tens place.
Add the tens:
By adding 1 and 1 we get 2.
Add the hundreds:
Add the thousand:
By adding 4 and 1 we get 5.
c.
Answer:
Explanation:
Add the ones:
Adding 6 and 4 we get 10.
Add the tens:
Adding 1 and 0 we get 1.
Add the hundreds:
Adding 8 and 4 we get 12.
Add the thousands:
Adding 1, 2 and 1 we get 4.
d.
Answer:
Explanation:
Add the ones:
By adding 4 and 8 we get 12.
Add the tens:
By adding 1, 1 and 2 we get 4.
Add the hundreds:
By adding 1, 3 and 7 we get 11.
Add the thousands:
By adding 1, 7 and 3 we get 11.
e.
Answer:
Explanation:
Add the ones:
By adding 0 and 2 we get 2.
Add the tens:
By adding 1 and 0 we get 1.
Add the hundreds:
By adding 4 and 3 we get 7.
Add the thousands:
By adding 6 and 2 we get 8.
Question 2.
a.
Answer:
Explanation:
Add the ones:
By adding 9 and 0 we get 9.
Add the tens:
By adding 9 and 0 we get 9.
Add the hundreds:
By adding 3 and 1 we get 4.
Add the thousands:
By adding 3 and 2 we get 5.
b.
Answer:
Explanation:
Add the ones:
Add 4 and 5 we get 9.
Add the tens:
Add 5 and 7 we get 12.
Add the hundreds:
Add three numbers 1, 7 and 4 we get 12.
Add the thousands:
Add three numbers 1, 5, and 3 we get 9.
c.
Answer:
Explanation:
Add the ones:
Add 2 and 0 we get 2.
Add the tens:
Add 3 and 6 we get 9.
Add the hundreds:
Add 7 and 2 we get 9.
Add the thousands:
Add 5 and 4 we get 9.
d.
Answer:
Explanation:
Add the ones:
Add 5 and 5 we get 10.
Add the tens:
Add 1, 9 and 3 we get 13
Add the hundreds:
Add 1, 8 and 4 we get 13.
Add the thousands:
Add 1, 2 and 1 we get 4.
e.
Answer:
Explanation:
Add the ones:
Add 1 and 5 we get 6.
Add the tens:
Add 1 and 9 we get 10.
Add the hundreds:
Add 1, 3 and 6 we get 10.
Add the thousands:
Add 1, 7 and 1 we get 9.
Question 3.
a.
Answer:
Explanation:
Add the ones:
Add 4 and 7 we get 11.
Add the tens:
Add 1, 9 and 5 we get 15.
Add the hundreds:
Add 5 and 1 we get 6.
Add the thousands:
Add 5 and 1 we get 6.
b.
Answer:
Explanation:
Add the ones:
Add the tens:
Add the hundreds:
Add 1, 1 and 4 we get 6.
Add the thousands:
Add 3 and 1 we get 4.
c.
Answer:
Explanation:
Add the ones:
Add 9 and 9 we get 18.
Add the tens:
Add 1, 4 and 9 we get 14.
Add the hundreds:
Add 1, 9 and 7 we get 17.
Add the thousands:
Add 1, 1 and 1 we get 3.
d.
Answer:
Explanation:
Add the ones:
Add 3 and 3 we get 6.
Add the tens:
Add 7 and 0 we get 7.
Add the hundreds:
Add 4 and 3 we get 7.
Add the thousands:
Add 2 and 1 we get 3.
e.
Answer:
Explanation:
Add the ones:
Add 7 and 8 we get 15.
Add the tens:
Add 1, 8 and 5 we get 14.
Add the hundreds:
Add 1, 4 and 6 we get 11.
Add the thousands:
Add 1, 2 and 1 we get 4.
Question 4.
a.
Answer:
Explanation:
Add the ones:
Add 7 and 4 we get 11.
Add the tens:
Add 1, 8 and 8 we get 17.
Add the hundreds:
Add 1, 8 and 8 we get 17.
Add the thousands:
Add 1, 1 and 1 we get 3.
b.
Answer:
Explanation:
Add the ones:
Add 7 and 3 we get 10.
Add the tens:
Add 1, 9 and 1 we get 11.
Add the hundreds:
Add 1, 7 and 6 we get 14.
Add the thousands:
Add 1, 2 and 2 we get 5.
c.
Answer:
Explanation:
Add the ones:
Add 5 and 3 we get 8.
Add the tens:
Add 0 and 2 we get 2.
Add the hundreds:
Add 0 and 0 we get 0.
Add the thousands:
Add 2 and 2 we get 4.
d.
Answer:
Explanation:
Add the ones:
Add 0 and 5 we get 5.
Add the tens:
Add 0 and 9 we get 9.
Add the hundreds:
Add 3 and 7 we get 10.
Add the thousands:
Add 1, 7 and 1 we get 9.
e.
Answer:
Explanation:
Add the ones:
Add the tens:
Add the hundreds:
Add the thousands:
Question 5.
a.
Answer:
Explanation:
Add the ones:
Add 3 and 2 we get 5
Add the tens:
Add 1 and 0 we get 1
Add the hundreds:
Add 1 and 0 we get 1
Add the thousands:
Add 3 and 2 we get 5
b.
Answer:
Explanation:
Add the ones:
Add 0 and 1 we get 1.
Add the tens:
Add 2 and 7 we get 9.
Add the hundreds:
Add 7 and 0 we get 7.
Add the thousands:
Add 1 and 2 we get 3.
c.
Answer:
Explanation:
Add the ones:
Add 5 and 3 we get 8.
Add the tens:
Add 2 and 8 we get 10.
Add the hundreds:
Add 1, 0 and 8 we get 9.
Add the thousands:
Add 4 and 1 we get 5.
d.
Answer:
Explanation:
Add the ones:
Add 7 and 8 we get 15.
Add the tens:
Add 1, 5 and 3 we get 9.
Add the hundreds:
Add 7 and 8 we get 15.
Add the thousands:
Add 1, 5 and 3 we get 9.
e.
Answer:
Explanation:
Add the ones:
Add 4 and 6 we get 10.
Add the tens:
Add 1, 5 we get 6.
Add the hundreds:
Add 7 and 0 we get 7.
Add the thousands:
Add 6 and 1 we get 7.
Question 6.
a.
Answer:
Explanation:
Add the ones:
Add 0 and 0 we get 0.
Add the tens:
Add 3 and 7 we get 10.
Add the hundreds:
Add 1, 4 and 6 we get 11
Add the thousands:
Add 1, 7 and 2 we get 10.
b.
Answer:
Explanation:
Add the ones:
Add 2 and 1 we get 3.
Add the tens:
Add 5 and 3 we get 8.
Add the hundreds:
Add 5 and 4 we get 9.
Add the thousands:
Add 3 and 4 we get 7.
c.
Answer:
Explanation:
Add the ones:
Add 0 and 0 we get 0.
Add the tens:
Add 2 and 7 we get 9.
Add the hundreds:
Add 0 and 0 we get 0.
Add the thousands:
Add 3 and 4 we get 7.
d.
Answer:
Explanation:
Add the ones:
Add 8 and 6 we get 14.
Add the tens:
Add 1, 4 and 3 we get 8.
Add the hundreds:
Add 4 and 3 we get 7.
Add the thousands:
Add 1 and 1 we get 2.
e.
Answer:
Explanation:
Add the ones:
Add 7 and 2 we get 9.
Add the tens:
Add 6 and 5 we get 11.
Add the hundreds:
Add 1, 4 and 4 we get 9.
Add the thousands:
Add 8 and 1 we get 9
Question 7.
a.
Answer:
Explanation:
Add the ones:
Add 0 and 2 we get 2.
Add the tens:
Add 7 and 3 we get 10.
Add the hundreds:
Add 1, 9 and 7 we get 17.
Add the thousands:
Add 1, 8 and 5 we get 14.
b.
Answer:
Explanation:
Add the ones:
Add 6 and 6 we get 12.
Add the tens:
Add 1 and 7 we get 8.
Add the hundreds:
Add 7 and 4 we get 11.
Add the thousands:
Add 1, 1 and 1 we get 3.
c.
Answer:
Explanation:
Add the ones:
Add 3 and 1 we get 4.
Add the tens:
Add 2 and 1 we get 3.
Add the hundreds:
Add 1 and 0 we get 1.
Add the thousands:
Add 5 and 3 we get 8.
d.
Answer:
Explanation:
Add the ones:
Add 2 and 9 we get 11.
Add the tens:
Add 1, 8 and 9 we get 18.
Add the hundreds:
Add 1, 8 and 9 we get 18.
Add the thousands:
Add 1, 2 and 1 we get 4.
e.
Answer:
Explanation:
Add the ones:
Add 9 and 0 we get 9.
Add the tens:
Add 0 and 8 we get 8.
Add the hundreds:
Add 9 and 0 we get 9.
Add the thousands:
Add 4 and 2 we get 6.