Two Digit Addition and Subtraction Quiz

Grade 2 · Math · Quiz

Test your skills adding and subtracting two-digit numbers.

Questions

1. What is 41 + 38?

   1. 79
   2. 78
   3. 89
   4. 69
   Show answer

   Answer: 79

   1 + 8 = 9 ones, 4 + 3 = 7 tens. So 41 + 38 = 79.

2. What is 75 - 42?

   1. 23
   2. 33
   3. 43
   4. 37
   Show answer

   Answer: 33

   5 - 2 = 3 ones, 7 - 4 = 3 tens. So 75 - 42 = 33.

3. What is 56 + 27?

   1. 73
   2. 82
   3. 83
   4. 93
   Show answer

   Answer: 83

   6 + 7 = 13, write 3 carry 1. 5 + 2 + 1 = 8 tens. So 56 + 27 = 83.

4. What is 84 - 56?

   1. 38
   2. 28
   3. 18
   4. 32
   Show answer

   Answer: 28

   Regroup: borrow 1 ten from 8, so 14 - 6 = 8 ones, 7 - 5 = 2 tens. So 84 - 56 = 28.

5. A store has 63 apples. They sell 29. How many apples are left?

   1. 34
   2. 44
   3. 24
   4. 36
   Show answer

   Answer: 34

   Regroup: 13 - 9 = 4 ones (after borrowing), 5 - 2 - 1 = 2 tens... wait: 63 - 29 = 34.

6. Which addition problem requires regrouping?

   1. 21 + 14
   2. 33 + 12
   3. 46 + 38
   4. 50 + 20
   Show answer

   Answer: 46 + 38

   6 + 8 = 14, which is more than 9, so regrouping is needed. The others do not require it.

7. The sum of 52 + 31 is 83.

   Show answer

   Answer: True

   2 + 1 = 3 ones, 5 + 3 = 8 tens. So 52 + 31 = 83. True!

8. 47 + ___ = 65

   Show answer

   Answer: 18

   65 - 47 = 18. Check: 47 + 18 = 65. Correct!

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