Lesson Plan: Applications of Arithmetic Sequences Mathematics • 9th Grade

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to solve real-world applications of arithmetic sequences, where we will find the common difference, đť‘›th term explicit formula, and order and value of a specific sequence term.


Students will be able to

  • model a real-world problem using arithmetic sequence,
  • apply methods from arithmetic sequences to solve real-world problems,
  • interpret tables and graphs that represent arithmetic sequences.


Students should already be familiar with

  • the common difference of an arithmetic sequence,
  • the đť‘›th term formula for arithmetic sequence,
  • the sum of đť‘› terms in an arithmetic sequence.


Students will not cover

  • geometric or other types of sequence.

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