Common Core Math Vocabulary

Commutative Property Of Addition - Definition with Examples

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What is the commutative property of addition? 
To “commute” means to move around or travel. 
According to the commutative property of addition, changing the order of the numbers we are adding, does not change the sum.
Here’s an example of how the sum does NOT change, even if the order of the addends is changed.

Commutative property of addition example changing the order

Here’s another example.

       75 + 81 + 34 + 20 = 20 + 81 + 34 + 75

                             220 = 220


  Fun Facts

  • Wearing shoes, gloves or putting on socks are examples of Commutative Property, as the order in which you wear them is not important!
  • Commutative property only applies to addition and multiplication. However, subtraction and division are not commutative.

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When adding numbers two or more,
Change the order, you will still score!
Don’t let adding in order be the aim,
Because the sum will just be the same!

let's do it Let's do it!

Take your child out for grocery shopping. Ask him/her to add the price of items in the bill in a different order and check if the total price is the same. 
You may further review, the other properties of addition with your child.

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