Mathematical Properties and Concepts

Front

Compose

Back

Smaller units are composed into a larger unit. When we regroup during addition, we are composing.

Front

Decompose

Back

A larger unit is broken into smaller units. When we regroup during subtraction, we are decomposing.

Front

Associative Property of Addition

Back

You can change the grouping of numbers when you add to make addition easier. You will still get the same sum.

Front

Commutative Property of Addition

Back

You can change the order of numbers when you add to make addition easier. You will still get the same sum.

Front

Identity Property of Addition

Back

The sum of a number and zero is equal to that number.