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Lesson Plan: Adding Tens to Three-Digit Numbers Mathematics

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to model adding a multiple of ten to a three-digit number and investigate which digits in the number change.

Objectives

Students will be able to

  • add tens to three-digit numbers with and without regrouping,
  • count on in tens to add,
  • model addition with place value blocks or counters,
  • model addition on number lines.

Prerequisites

Students should already be familiar with

  • the place value of three-digit numbers.

Exclusions

Students will not cover

  • numbers above 1,000.

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