Using the Commutative and Associative Properties to Add 2-Digit Numbers

This video tutorial teaches how to add two 2-digit numbers using the commutative and associative properties. It begins with an introduction to these properties, followed by examples demonstrating their application. The tutorial also covers the concept of place value and how to use open number lines for addition. Through examples, viewers learn to break down numbers into tens and ones, apply properties, and use number lines to find sums efficiently.

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