Grade 2 · Math
Subtract two-digit numbers practice
Find differences between two-digit numbers using place value.
Opening your practice adventure…
Try a sample
What is 45 − 30?
- 19
- 18
- 15
- 13
See the answer & why
15
45 − 30 = 15. Check by adding 30 back.
A little hint: Use place value or a known fact; estimate before choosing.
A teaching tip
Exchange one ten for ten ones when there are too few ones to subtract.