This handy Spectrum Math Grade 4 Answer Key Chapter 3 Pretest provides detailed answers for the workbook questions.

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Adding and Subtracting 3 through 5 Digits

Question 1.
a.

Addition of 562 with 217 then you get 779.

Explanation:

By adding 2 with 7 we get 9.

By adding 6 with 1 we get 7.

By adding 5 with 2 we get 7.

b.

Addition of 1452 with 519 then you get 1971.

Explanation:

By adding 2 with 9 we get 11. So add 1 to the tens place.

By adding 1, 5 and 1 we get 7.

By adding 4 with 5 we get 9.

By adding 1 with 0 we get 1.

c.

Addition of 732 with 195 then you get 927.

Explanation:

By adding 2 with 5 we get 7.

By adding 3 with 9 we get 12. so add 1 to the hundreds place.

By adding 1, 7 and 1 we get 9.

d.

Addition of 3721 with 146 then you get 3867.

Explanation:

By adding 1 with 6 we get 7.

By adding 2 with 4 we get 6.

By adding 7 with 1 we get 8.

By adding 3 with 0 we get 3.

e.

Addition of 5605 with 1324 then you get 6929.

Explanation:

By adding 5 with 4 we get 9.

By adding 0 with 2 we get 2.

By adding 6 with 3 we get 9.

By adding 5 with 1 we get 6.

Question 2.
a.

Addition of 4003 with 1717 then you get 5720.

Explanation:

By adding 3 with 7 we get 10. So add 1 to the tens place.

By adding 1, 0 and 1 we get 2.

By adding 0 with 7 we get 7.

By adding 4 with 1 we get 5.

b.

Addition of 193 with 117 then you get 310.

Explanation:

By adding 3 with 7 we get 10. So, add 1 to the tens place.

By adding 1, 9 and 1 we get 11. So add 1 to the hundreds place.

By adding 1, 1 and 1 we get 3.

c.

Addition of 2281 with 1307 then you get 3588.

Explanation:

By adding 1 with 7 we get 8.

By adding 8 with 0 we get 8.

By adding 2 with 3 we get 5.

By adding 2 with 1 we get 3.

d.

Addition of 624 with 624 then you get 1244.

Explanation:

By adding 4 with 4 we get 8.

By adding 2 with 2 we get 4.

By adding 6 with 6 we get 12.

e.

Addition of 1502 with 375 then you get 1877.

Explanation:

By adding 2 with 5 we get 7.

By adding 0 with 7 we get 7.

By adding 5 with 3 we get 8.

By adding 1 with 0 we get 1.

Question 3.
a.

Addition of 443 with 237 then you get 680.

Explanation:

By adding 3 with 7 we get 10. So add 1 to the tens place.

By adding 1, 4 and 3 we get 8.

By adding 4 with 2 we get 6.

b.

Addition of 5127 with 310 then you get 5437.

Explanation:

By adding 7 with 0 we get 7.

By adding 2 with 1 we get 3.

By adding 1 with 3 we get 4.

By adding 5 with 0 we get 5.

c.

Addition of 6152 with 1343 then you get 7495.

Explanation:

By adding 2 with 3 we get 5.

By adding 5 with 4 we get 9.

By adding 1 with 3 we get 4.

By adding 6 with 1 we get 7.

d.

Addition of 9730 with 169 then you gat 9899.

Explanation:

By adding 0 with 9 we get 9.

By adding 3 with 6 we get 9.

By adding 7 with 1 we get 8.

By adding 9 with 0 we get 9.

e.

Addition of 1070 with 910 then you get 1980.

Explanation:

By adding 1 with 1 we get 2.

By adding 7 with 1 we get 8.

By adding 0 with 9 we get 9.

By adding 1 with 0 we get 1.

Question 4.
a.

Addition of 3489 with 1301 then you get 4790.

Explanation:

By adding 9 with 1 we get 10. So add 1 to the tens place.

By adding 8, 1 and 0 we get 9.

By adding 4 with 3 we get 7.

By adding 3 with 1 we get 4.

b.

Addition of 2811 with 1187 then you get 3998.

Explanation:

By adding 1 with 7 we get 8.

By adding 1 with 8 we get 9.

By adding 8 with 1 we get 9.

By adding 2 with 1 we get 3.

c.

Addition of 6423 with 314 then you get 6737.

Explanation:

By adding 3 with 4 we get 7.

By adding 2 with 1 we get 3.

By adding 4 with 3 we get 7.

By adding 6 with 0 we get 6.

d.

Addition of 900 with 134 then you get 1034.

Explanation:

By adding 0 with 4 we get 4.

By adding 0 with 3 we get 3.

By adding 9 with 1 we get 10.

e.

Addition of 3007 with 2993 then you get 3000.

Explanation:

By adding 7 with 3 we get 10. So add 1 to the tens place.

By adding 1, 0 and 9 we get 10. So add 1 to the hundreds place.

By adding 1, 0 and 9 we get 10. So add 1 to the thousands place.

By adding 1, 3 and 2 we get 6.

Subtract.

Question 5.
a.

Subtract 314 from 2817 then you get 2503.

Explanation:
Subtract the ones:

By subtracting 4 from 7 we get 3.
Subtract the tens:

By subtracting 1 from 1 we get 0.
Subtract the hundreds:

By subtracting 3 from8 we get 5.
Subtract the thousands:

By subtracting 0 from 2 we get 2.

b.

Subtract 445 from 987 then you get 542.

Explanation:
Subtract the ones:

By subtracting 5 from 7 we get 2.
Subtract the tens:

By subtracting 4 from 8 we get 4.
Subtract the hundreds:

By subtracting 4 from 9 we get 5.

c.

Subtract 1352 from 7760 then you get 6408.

Explanation:
Subtract the ones:

By subtracting 2 from 0 is not possible. so take borrow from the tens place.
Subtract the tens:

By subtracting 5 from 5 we get 0.
Subtract the hundreds:

By subtracting 3 from7 we get 4.
Subtract the thousands:

By subtracting 1 from 7 we get 6.

d.

Subtract 472 from 583 then you get 111.

Explanation:
Subtract the ones:

By subtracting 2 from 3 we get 1.
Subtract the tens:

By subtracting 7 from 8 we get 1.
Subtract the hundreds:

By subtracting 4 from 5 we get 1.

e.

Subtract 3152 from 9057 then you get 5905.

Explanation:
Subtract the ones:

By subtracting 2 from 7 we get 5.
Subtract the tens:

By subtracting 5 from 5 we get 0.
Subtract the hundreds:

By subtracting 1 from 0 is not possible. So borrow 10 from the thousand.
10 – 1 = 9
Subtract the thousands:

By subtracting 3 from9 we get 5.

Question 6.
a.

Subtract 526 from 8648 then you get 8122.

Explanation:
Subtract the ones:

By subtracting 6 from8 we get 2.
Subtract the tens:

By subtracting 2 rom 4 we get 2.
Subtract the hundreds:

By subtracting 5 from 6 we get 1.
Subtract the thousands:

By subtracting 0 from 8 we get 8.

b.

Subtract 7481 from 9382 then you get 1901.

Explanation:
Subtract the ones:

By subtracting 1 from 2 we get 1.
Subtract the tens:

By subtracting 8 from8 we get 0.
Subtract the hundreds:

By subtracting 4 from 3 is not possible. so take borrow from the thousands place.
13 – 4 = 9
Subtract the thousands:

By subtracting 7 from 8 we get 1.

c.

Subtract 4622 from 5533 then you get 911.

Explanation:
Subtract the ones:

By subtracting 2 from 3 we get 1.
Subtract the tens:

By subtracting 2 from 3 we get 1.
Subtract the hundreds:

By subtracting 6 from 5 is not possible. so take borrow from the thousands place.
15 – 6 = 9.
Subtract the thousands:

By subtracting 4 from 4 we get 0.

d.

Subtract 1418 from 7520 then you get 6102.

Explanation:
Subtract the ones:

By subtracting 8 from 0 is not possible. So take borrow from the tens place.
10 – 8 = 2.
Subtract the tens:

By subtracting 1 from 1 we get 0.
Subtract the hundreds:

By subtracting 4 from 5 we get 1.
Subtract the thousands:

By subtracting 1 from 7 we get 6.

e.

Subtract 136 from 4103 then you get 3967.

Explanation:
Subtract the ones:

By subtracting 6 from 3 is not possible. So take borrow from the tens place.
13 – 6 = 7
Subtract the tens:

By subtracting 3 from 9 we get 6.
Subtract the hundreds:

By subtracting 1 from 0 is not possible. So take borrow from the thousands place.
10 – 1 = 9.
Subtract the thousands:

By subtracting 0 from 3 we get 3.

Question 7.
a.

Subtract 3182 from 5799 then you get 2617.

Explanation:
Subtract the ones:

By subtracting 2 from 9 we get 7.
Subtract the tens:

By subtracting 8 from9 we get 1.
Subtract the hundreds:

By subtracting 1 from 7 we get 6.
Subtract the thousands:

By subtracting 3 from 5 we get 2.

b.

Subtract 591 from 2872 then you get 1281.

Explanation:
Subtract the ones:

By subtracting 1 from 2 we get 1.
Subtract the tens:

By subtracting 9 from 7 is not possible. So take borrow from the hundreds place.
Subtract the hundreds:

By subtracting 5 from 7 we get 2.
Subtract the thousands:

By subtracting 0 from 2 we get 2.

c.

Subtract 727 from 1890 then you get 1163.

Explanation:
Subtract the ones:

By subtracting 7 from 0 is not possible. So take the borrow from the tens place.
10 – 7 = 3.
Subtract the tens:

By subtracting 2 from 8 we get 6.
Subtract the hundreds:

By subtracting 7 from 8 we get 1.
Subtract the thousands:

Subtracting 0 from 1 we get 1.

d.

Subtract 1060 from 2378 then you get 1310.

Explanation:
Subtract the ones:

By subtracting 0 from8 we get 8.
Subtract the tens:

By subtracting 6 from 7 we get 1.
Subtract the hundreds:

By subtracting 0 from 3 we get 3.
Subtract the thousand:

By subtracting 1 from 2 we get 1.

e.

Subtract 475 from 22486 then you get 22011.

Explanation:
Subtract the ones:

By subtracting 5 from 6 we get 1.
Subtract the tens:

By subtracting 7 from 8 we get 1.
Subtract the hundreds:

By subtracting 4 from 4 we get 0.
Subtract the thousands:

By subtracting 0 from 2 we get 2.
Subtract the ten thousand:

By subtracting 0 from 2 we get 2.

Question 8.
a.

Subtract 175 from 972 then you get 797.

Explanation:
Subtract the ones:

By subtracting 5 from 2 is not possible. So take borrow from the tens place.
Subtract the tens:

By subtracting 7 from 6 is not possible. So take borrow from the hundreds place.
Subtract the hundreds:

By subtracting 1 from 8 we get 7.

b.

Subtract 1762 from 7003 then you get 6241.

Explanation:
Subtract the ones:

By subtracting 2 from 3 we get 1.
Subtract the tens:

By subtracting 6 from 0 is not possible. So take borrow from the hundreds place.
Subtract the hundreds:

By subtracting 7 from 9 we get 2.
Subtract the thousands:

By subtracting 1 from 7 we get 6.

c.

Subtract 514 from 834 then you get 320.

Explanation:
Subtract the ones:

By subtracting 4 from 4 we get 0.
Subtract the tens:

By subtracting 1 from 3 we get 2.
Subtract the hundreds:

By subtracting 5 from 8 we get 3.

d.

Subtract 2271 from 71487 then you get 69216.

Explanation:
Subtract the ones:

By subtracting 1 from 7 we get 6.
Subtract the tens:

By subtracting 7 from 8 we get 1.
Subtract the hundreds:

By subtracting 2 from 4 we get 2.
Subtract the thousands:

By subtracting 2 from 1 is not possible. So take borrow from the ten thousands place.
Subtract the ten thousand:

By subtracting 0 from 6 we get 6.

e.

Subtract 379 from 9772 then you get 9393.

Explanation:
Subtract the ones:

By subtracting 9 from 2 is not possible. So take borrow from the tens place.
12 – 9 = 3.
Subtract the tens:

By subtracting 7 from 7 we get 0.
Subtract the hundreds:

Subtracting 3 from 7 we get 3.
Subtract the thousand:

Subtracting 0 from 9 we get 9

Solve each problem.

Question 9.
Pablo and his family love to travel. This summer, they traveled 2,433 miles to visit relatives. If Pablo’s family traveled 1,561 miles last year, how many miles have they traveled in the past two years?
They travelled ____ miles in the past two year?
Given that,
This summer, they traveled 2,433 miles to visit relatives.
If Pablo’s family traveled 1,561 miles last year
The number of miles have they traveled in the past two years is 2,433 + 1,561 = 3,994.
Therefore They travelled 3,994 miles in the past two year

Question 10.
The Brown County Humane Society took in 15,538 pets in the first six months of the year. The rest of the year, they took in 10,456 pets. How many pets did they take in during the year?
They took in ___ pets during the year.
Given that,
The Brown County Humane Society took in 15,538 pets in the first six months of the year.
The rest of the year, they took in 10,456 pets.
The number of pets they take in the year is 15,538 + 10,456 = 25,994.
Therefore, They took in 25,994 pets during the year.

Question 11.
Springfield School District bought 578 new science books. There are 1,976 students in the science classes. How many students will not receive a new book?
There will be ____ students without a new book.
Given that,
Springfield School District bought 578 new science books.
There are 1,976 students in the science classes
The number of students not receive a new book is 1,976 – 578 = 1,398.
Therefore, There will be 1,398 students without a new book.

Question 12.
Yoki had to ride a bus for 1,472 miles to get to Ashland City. The bus broke down after 1,227 miles. How many more miles did Yoki have to travel?
He had ____ miles left to travel.
Given that,
Yoki had to ride a bus for 1,472 miles to get to Ashland City.
The bus broke down after 1,227 miles.
The number of miles that Yoki have to travel is 1,472 – 1,227 = 245.
Therefore, He had 245 miles left to travel.

Question 13.
Trey is getting ready to go to basketball camp. There are 213 players arriving on Friday and 131 players arriving on Saturday. If Trey arrives on Sunday with 104 more players, how many players will be at the camp?
There will be ____ players at the camp.