Grade 2 · Math
Add two-digit numbers practice
Add two two-digit numbers, including regrouping.
Opening your practice adventure…
Try a sample
What is 71 + 18?
- 93
- 88
- 92
- 89
See the answer & why
89
71 + 18 = 89. Combine both quantities.
A little hint: Use place value or a known fact; estimate before choosing.
A teaching tip
Combine ones, exchange ten ones for a ten, then combine tens.