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1.4 Numbers to 99 · Lesson 23: Two-Digit Numbers in Our World (optional)Math · Grade 1 Math · Grade 1Lesson plan

Learning goals: Teacher Facing Estimate, count, and represent collections of up to 99 objects. Full lesson plan (warm-up, activities, synthesis, cool-down prompt) from 1.4 Numbers to 99, Grade 1.

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

More Math for grades K–2