MATH MOM TEACHERActivities

Use Ones Facts with Tens

Place Value

Choose addition or subtraction

+

4 tens + 3 tens

4 + 3 = 7 → 40 + 30 = 70

Use Ones Facts to Add Tens

−

7 tens − 3 tens

7 − 3 = 4 → 70 − 30 = 40

Use Ones Facts to Subtract Tens