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Lesson: Column Addition of Three-Digit Numbers: Regroup Ones and Tens Mathematics • 2nd Grade

In this lesson, we will learn how to add two three-digit numbers when we have to regroup ones and tens and record the calculation in columns.

Lesson Plan

Students will be able to

  • add a 2- or 3-digit number to a 3-digit number using the column method,
  • use place value models to regroup the ones and tens places,
  • make connections between concrete models of regrouping and the written method.

Lesson Video

Video Thumbnail
16:46

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