2.1 Adding, Subtracting, and Working with Data · Lesson 3: Relate Addition and Subtraction within 20

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2.1 Adding, Subtracting, and Working with Data · Lesson 3: Relate Addition and Subtraction within 20Math · Grade 2 Math · Grade 2Lesson plan

Learning goals: Teacher Facing Find the number that makes equations within 20 true using the relationship between addition and subtraction. Full lesson plan (warm-up, activities, synthesis, cool-down prompt) from 2.1 Adding, Subtracting, and Working with Data, Grade 2.

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

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