Task Teacher Guide

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Subtracting within 20


Math Talk


Purposeful Practice



Resources and Downloads

Lesson Tip Sheet

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Videos & Images

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Keynote Slides

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PowerPoint Slides

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Printable Handout

subtraction strategies

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Explore The Entire Unit of Study

This Make Math Moments Task was designed to spark curiosity for a multi-day unit of study with built in purposeful practice, and extensions to elicit and emerge mathematical models and strategies.

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