Equivalent Names (Doetch/Falk)©

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This lesson focuses on 1.OA.C.6, using strategies to add and subtract within 20, and 1.OA.D.7, determining if equations are equal or not. Students learn about equivalent names for different numbers,  For example, equivalent names for seven include 4+3, 3+3+1, 5+2, 8-1, etc. Students work with different numbers to prove or disprove their equivalence and work with other numbers to create equivalent names. Core Actions 2 and 3 are observable in this lesson.

The video is annotated using the Instructional Practice Guide: Coaching Tool.

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