Lesson: Subtracting by Adding with Numbers up to 20 | Nagwa Lesson: Subtracting by Adding with Numbers up to 20 | Nagwa

Lesson: Subtracting by Adding with Numbers up to 20 Mathematics • 1st Grade

In this lesson, we will learn how to solve subtraction problems by finding the missing part in an addition expression with numbers up to 20.

Lesson Plan

Lesson Playlist

  • Understanding the Relationship Between Addition and Subtraction
    02:47
  • Using Addition to Solve Subtraction Word Problems
    02:03
  • Testing the Strategy: Addition and Subtraction Fact Families
    02:02

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