Lesson Plan: Comparing: Narrower and Wider Mathematics

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to directly compare two objects by width using the words “narrower,” “wider,” “thicker,” and “thinner.”


Students will be able to

  • compare two objects by width,
  • identify the narrower of two objects,
  • identify the wider of two objects,
  • identify the thicker of two objects,
  • identify the thinner of two objects.


Students should already be familiar with

  • the terms thick, thin, narrow, and wide, from use in everyday language.


Students will not cover

  • comparing more than two objects,
  • the terms narrowest, widest, thickest, and thinnest,
  • measuring objects.

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