- Math
- Addition and subtraction
- Edad 9-12
-
level: 4
- English
Instrucciones del autor
finding missing numbers in addition and subtraction items by following in finding missing addends, missing minuends and missing subtrahends.
Finding missing numbers
Instrucciones del autor
finding missing numbers in addition and subtraction items by following in finding missing addends, missing minuends and missing subtrahends.