Grade 1 · Math
Build tens and ones practice
Compose a two-digit number from tens and ones.
Opening your practice adventure…
Try a sample
Which number is 8 tens and 1 ones?
- 83
- 81
- 79
- 84
See the answer & why
81
8 × 10 + 1 = 81.
A little hint: Multiply the number of groups by the size of each group, then add the ones.
A teaching tip
Draw a stick for each ten and a dot for each one.