Grade 2 · Math
Add and subtract to one hundred practice
Use tens and ones or a known relationship to add and subtract within one hundred.
Opening your practice adventure…
Try a sample
What is 63 − 27?
- 36
- 35
- 37
- 46
See the answer & why
36
63 − 27 = 36. Subtract 20 first, then 7 ones.
A little hint: Check the operation sign. Use tens and ones to combine or take away.
A teaching tip
Show a tens-and-ones drawing. Regroup only when the learner can explain that ten ones and one ten have the same value.