Worked example
What is 48 + 27?
Answer & why
Answer: 75
8 + 7 = 15: regroup one ten. 4 + 2 + 1 tens makes 7 tens and 5 ones.
Grade 2 · Math
Add two-digit numbers
Add two two-digit numbers, including regrouping.
8 generated examples + worked example
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Try these examples
8 reproducible examples from this math generator. Choose New examples for another set.
Question 1
What is 51 + 13?
- 67
- 64
- 66
- 63
A hint
Use place value or a known fact; estimate before choosing.
Answer & why
Answer: 64
51 + 13 = 64. Combine both quantities.
Question 2
What is 71 + 18?
- 93
- 88
- 92
- 89
A hint
Use place value or a known fact; estimate before choosing.
Answer & why
Answer: 89
71 + 18 = 89. Combine both quantities.
Question 3
What is 58 + 16?
- 78
- 76
- 77
- 74
A hint
Use place value or a known fact; estimate before choosing.
Answer & why
Answer: 74
58 + 16 = 74. Combine both quantities.
Question 4
What is 13 + 15?
- 32
- 28
- 31
- 27
A hint
Use place value or a known fact; estimate before choosing.
Answer & why
Answer: 28
13 + 15 = 28. Combine both quantities.
Question 5
What is 47 + 62?
- 111
- 107
- 112
- 109
A hint
Use place value or a known fact; estimate before choosing.
Answer & why
Answer: 109
47 + 62 = 109. Combine both quantities.
Question 6
What is 39 + 60?
- 99
- 100
- 101
- 103
A hint
Use place value or a known fact; estimate before choosing.
Answer & why
Answer: 99
39 + 60 = 99. Combine both quantities.
Question 7
What is 57 + 10?
- 69
- 65
- 67
- 66
A hint
Use place value or a known fact; estimate before choosing.
Answer & why
Answer: 67
57 + 10 = 67. Combine both quantities.
Question 8
What is 30 + 60?
- 88
- 90
- 92
- 91
A hint
Use place value or a known fact; estimate before choosing.
Answer & why
Answer: 90
30 + 60 = 90. Combine both quantities.