# Fact Family Worksheets, commutative property

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Common Core Standards
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Here's a collection of 16 different worksheets with varied strategies to teach the commutative property as well as teaching fact families. The lessons begin with simple pages for teaching, then move to more abstract, independent work.

Project on a whiteboard to interact and teach, or use in small group math groups to remediate or firm up skills.

Understand and apply properties of operations and the relationship between addition and subtraction.

CCSS.MATH.CONTENT.1.OA.B.3
Apply properties of operations as strategies to add and subtract.2 Examples: If 8 + 3 = 11 is known, then 3 + 8 = 11 is also known. (Commutative property of addition.) To add 2 + 6 + 4, the second two numbers can be added to make a ten, so 2 + 6 + 4 = 2 + 10 = 12. (Associative property of addition.)

CCSS.MATH.CONTENT.1.OA.B.4
Understand subtraction as an unknown-addend problem. For example, subtract 10 - 8 by finding the number that makes 10 when added to 8.

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