Addition and Subtraction with Regrouping Quiz

Grade 3 · Math · Quiz

Test your skills adding and subtracting 2- and 3-digit numbers with regrouping.

Questions

1. What is 48 + 36?

   1. 74
   2. 84
   3. 82
   4. 76
   Show answer

   Answer: 84

   8+6=14, write 4 carry 1; 4+3+1=8. Answer: 84.

2. What is 91 − 54?

   1. 37
   2. 47
   3. 43
   4. 27
   Show answer

   Answer: 37

   Borrow: 11−4=7; 8−5=3. Wait: 1−4? Borrow again: 11−4=7 ones; 8−5=3 tens. Answer: 37.

3. 34 + 22 requires regrouping.

   Show answer

   Answer: False

   4+2=6 and 3+2=5, no column exceeds 9. No regrouping needed.

4. What is 127 + 46?

   1. 163
   2. 173
   3. 153
   4. 183
   Show answer

   Answer: 173

   7+6=13, write 3 carry 1; 2+4+1=7; 1+0=1. Answer: 173.

5. 65 + 27 = ___

   Show answer

   Answer: 92

   5+7=12, write 2 carry 1; 6+2+1=9. Answer: 92.

6. A baker made 135 muffins and sold 78. How many are left?

   1. 57
   2. 67
   3. 47
   4. 63
   Show answer

   Answer: 57

   135−78: borrow, 15−8=7; borrow, 12−7=5 (hundreds decrease). Actually: 135−78=57.

7. When you borrow in subtraction, the digit you borrowed from gets smaller by 1.

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   Answer: True

   When you borrow 1 ten, the tens digit decreases by 1 so you don't lose value.

8. What is 204 − 67?

   1. 147
   2. 137
   3. 167
   4. 143
   Show answer

   Answer: 137

   204−67: borrow chain, 14−7=7; 9−6=3; 1−0=1. Answer: 137.

9. In the problem 53 − 28, you write ___ in the ones place of the answer.

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   Answer: 5

   Borrow: 13−8=5 in the ones place.

10. What is 149 + 83?

    1. 222
    2. 232
    3. 212
    4. 242
    Show answer

    Answer: 232

    9+3=12, write 2 carry 1; 4+8+1=13, write 3 carry 1; 1+0+1=2. Answer: 232.

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