Lesson Plan: Two-Digit Numbers on a Number Line Mathematics • 1st Grade

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to represent numbers from 0 to 100 on number lines.


Students will be able to

  • model two-digit numbers on number lines,
  • use number lines to count in ones or tens within 100,
  • describe positions on number lines using the terms before, between, or after.


Students should already be familiar with

  • the place value of numbers up to 100,
  • counting in tens and ones.


Students will not cover

  • comparing numbers using number lines.

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