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Lesson Plan: Additive Comparison with Numbers up to 100 Mathematics • 1st Grade

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to solve additive comparison problems with numbers up to 100 by writing equations.

Objectives

Students will be able to

  • decide whether to add or subtract to solve word problems,
  • write equations with unknowns to represent word problems,
  • solve additive comparison problems.

Prerequisites

Students should already be familiar with

  • writing addition and subtraction equations,
  • adding and subtracting two-digit numbers.

Exclusions

Students will not cover

  • numbers over 100,
  • two-step word problems.

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