Lesson: Part–Whole Bar Models: Numbers up to 100 Mathematics • 2nd Grade

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In this lesson, we will learn how to solve one-step addition and subtraction problems with numbers up to 100 by drawing a part–whole bar model.

Lesson Plan

Students will be able to

  • model word problems with part–whole bar models,
  • write an equation to find the missing part or whole in a bar model,
  • decide whether to use addition or subtraction to solve a word problem,
  • solve one-step word problems.

Lesson Video

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11:45

Lesson Playlist

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