1.3 Adding and Subtracting Within 20 · Lesson 21: Center Day 3

1.3 Adding and Subtracting Within 20 · Lesson 21: Center Day 3Math · Grade 1 Math · Grade 1Lesson plan

Learning goals: Teacher Facing Students add two and three numbers within 20. Students write equations with three addends. 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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