Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.

Popular Tutorials in Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.

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  What is the Commutative Property of Addition?

  When you're adding numbers together, does their order matter? This tutorial can answer that question! It looks at the Commutative Property of Addition!

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  What is the Associative Property of Addition?

  The Associative Property of Addition is a useful tool when you're adding multiple numbers together! Follow along with this tutorial to learn about this property and see how to use it.