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Lesson Plan
Curated OER

Addition and Subtraction Facts to 20

For Teachers 2nd - 3rd
Fact families, and the relationship between addition and subtraction are the foucs of this lesson. Learners explore strategies to help with their addition and subtraction facts. They use doubles, related facts, and fact families to help...
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Lesson Plan
Curated OER

Combining Foods

For Teachers Pre-K - 2nd
Learners explore addition. In this math instructional activity, students discover how addition and subtraction are related. Learners model related addition and subtraction facts.
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Whiteboard
SMART Technologies

Smart: Colorful Painter Fact Families

For Teachers 1st - 3rd
Find the missing numbers in the fact family number sentences.