**Commutative Property of Multiplication Tool. **The Commutative Property of Multiplication tool can be used to demonstrate that multiplication is commutative. You can use multiple models to show that the value of a x b = b x a. The tool allows the transition from the “groups of” phrase (e.g., “3 groups of 5 equals 5 groups of 3”) to using the equation, and numbers-only.

Explore two lessons from our breakthrough fractions curriculum. Each lesson uses visual models to develop students' thinking as it progresses from concrete to abstract representations.

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