Lesson Plan: Expressing a Set Mathematics

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to express a set by identifying its elements and recording them using words and notation.


Students will be able to

  • express a set mathematically using braces, null,
  • write a set using the listing method,
  • write a set using the description method,
  • understand that the order of the elements in a set does not matter.


Students should already be familiar with

  • the definition of a set.


Students will not cover

  • the sets , , , and ,
  • the universal set and the null set,
  • subsets, unions, intersections, and differences between sets,
  • negative numbers, fractions, and decimals,
  • representing sets with Venn diagrams.

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