The commutative property is commonly called the flip-flop strategy for students. It refers to the idea that you can flip the two addends, and still get the same total.

**3 + 5** is the same as **5 + 3**

A variety of tools are used to show this property. Snap cubes can show an addition fact (e.g., 5 red cubes snapped to 3 blue), which can then be flipped over. The total stays the same, but the order has changed.

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