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Lesson: Subtracting by Counting Back: Numbers up to 20 Mathematics • 1st Grade

In this lesson, we will learn how to subtract within 20 by counting back from the starting number.

Lesson Plan

Lesson Video

Video Thumbnail

Lesson Playlist

  • Relating Counting Back to Subtraction Problems
  • Relating Counting to Addition and Subtraction
  • Using the Counting Back Strategy to Subtract from Numbers up to 20

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