Check out this link for my tutorial on the commutative property that can be shown to parents: https://docs.google.com/file/d/0B3TccfO1yWqZeGF4c1I0eUNKY1E/edit . Making videos are a great tool for involving parents! Be sure to include your contact information so parents can contact you with any questions.
Dominoes can be used to help kids understand the commutative property of addition!
This supports the 1st grade common core standard: apply properties of operations as strategies to add and subtract such as commutative property of addition.
Have your children pick a domino and copy it on a piece of construction paper. Have them fold the paper in half and then write the equation below it. Then flip it over and write that equation that corresponds with it. Even when you switch the two numbers that you are adding the sum is still the same. Below is an example I made to show 4+3=7 and 3+4=7.
Got the idea from: http://www.proteacher.net/discussions/showthread.php?t=364819
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