Lesson: Word Problems: Adding Numbers up to 20 Mathematics • 1st Grade

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In this lesson, we will learn how to solve addition problems with numbers up to 20 by finding either the missing part or the whole and how to solve additive comparison problems.

Lesson Plan

Students will be able to

  • model and write number sentences for word problems,
  • choose an appropriate strategy to solve word problems,
  • find missing addends in word problems,
  • check that the answer to a word problem makes sense.

Lesson Video

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10:28

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