Lesson Plan: Estimating Differences between Three-Digit Numbers: Rounding | Nagwa Lesson Plan: Estimating Differences between Three-Digit Numbers: Rounding | Nagwa

Lesson Plan: Estimating Differences between Three-Digit Numbers: Rounding Mathematics • 3rd Grade

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to estimate the difference between three-digit numbers using rounding strategies.

Objectives

Students will be able to

  • use rounding to estimate differences,
  • use estimating to check differences,
  • solve problems involving rounding to estimate differences.

Prerequisites

Students should already be familiar with

  • rounding three-digit numbers to the nearest 10,
  • rounding three-digit numbers to the nearest 100,
  • identifying errors in rounding,
  • subtracting three-digit numbers.

Exclusions

Students will not cover

  • rounding decimal numbers,
  • compatible numbers.

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