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Understanding the Commutative Property - Lesson Plan

In this interactive math lesson, students will revise addition concepts and explore the commutative property. They will understand how numbers are related to each other, particularly numbers 5, 10, and 20. Students will apply the commutative property to add more efficiently and learn to add three numbers using counting on strategies. The lesson includes warm-up activities, anchor charts, hands-on practice, and an exit slip assessment.

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The commutative property states that changing the order of numbers being added or multiplied does not change the result. For example, in addition, 4 + 2 is equal to 2 + 4.

Understanding number relationships helps students develop addition strategies like making a ten to add. It allows them to see connections between single-digit numbers and larger benchmark numbers like 5, 10, and 20.

To add three numbers efficiently, you can start by adding any two numbers first and then adding the third number to the sum. This strategy helps break down complex additions into simpler steps.


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