This Numbers Many Ways: Explore Fact Families with 2-sided Buttons lesson plan also includes:
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Learners work with subtraction at the intuitive level as they explore ways to decompose numbers to 10. They work in pairs to explore fact families using two-sided buttons and matching bi-colored paper strips. Whole group discussion brings it all together for the class. This is lesson 5 of 8 in a unit titled "Begin with Buttons."