Area with index cards

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Area with index cards
Area with index cards
Area with index cards
Area with index cards
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0.17 MB

PRODUCT DESCRIPTION

Have you ever wondered where the area formulas for triangles, trapezoids and parallelograms came from? In this activity, I walk you through how to derive these formulas using index cards. The activity is designed to build strong, conceptual understandings while creating a hands-on product that they can keep in their notebooks for years to come!
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Teaching Duration
1 hour

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Area with index cards
Area with index cards
Area with index cards
Area with index cards
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