1.3 Adding and Subtracting Within 20 · Lesson 15: Solve Story Problems with Three Numbers

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1.3 Adding and Subtracting Within 20 · Lesson 15: Solve Story Problems with Three NumbersMath · Grade 1 Math · Grade 1Lesson plan

Learning goals: Teacher Facing Solve story problems within 20 with three addends, two of which make a ten. Full lesson plan (warm-up, activities, synthesis, cool-down prompt) from 1.3 Adding and Subtracting Within 20, Grade 1.

From Illustrative Mathematics (IM Certified curriculum, im.kendallhunt.com) · CC BY 4.0 · original source

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