Properties Of Addition Worksheet. All worksheets are free for individual and non-commercial use. The properties include the commutative, identity, and distributive properties--all of which I cover in other math lessons.
Free practice example worksheets with answer key in pdf for easy printing. The grouping of the numbers does not change the sum. This one page worksheet introduces the associative property.
Practice recognizing and working with the properties of addition problems.
It explains how we can change groups (move parentheses) in a problem to make it easier to solve.
A brief description of the worksheets is on each of the worksheet widgets. Key concept: Students need to understand that the order does not matter when adding. There are two levels in this game.