Lesson: Subtracting Numbers up to 20 on a Number Line | Nagwa Lesson: Subtracting Numbers up to 20 on a Number Line | Nagwa

Lesson: Subtracting Numbers up to 20 on a Number Line Mathematics • 1st Grade

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In this lesson, we will learn how to subtract within 20 by jumping backward in ones on a number line.

Lesson Plan

Students will be able to

  • use a number line to subtract by counting back,
  • use a number line to subtract by counting on,
  • choose whether to count on or back to solve a subtraction equation,
  • solve word problems by using a number line to subtract.

Lesson Video

Video Thumbnail
05:27

Lesson Playlist

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