Lesson Plan: Column Addition of Three-Digit Numbers: Regroup Tens | Nagwa Lesson Plan: Column Addition of Three-Digit Numbers: Regroup Tens | Nagwa

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

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to regroup tens when adding two three-digit numbers using column addition.

Objectives

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 tens,
  • make connections between concrete models of regrouping and the written method.

Prerequisites

Students should already be familiar with

  • adding two three-digit numbers using column addition with no regrouping,
  • adding two three-digit numbers by regrouping ones,
  • using place value models to represent three-digit numbers.

Exclusions

Students will not cover

  • sums with more than three digits,
  • regrouping hundreds.

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