Lesson Plan: Proportions | Nagwa Lesson Plan: Proportions | Nagwa

Lesson Plan: Proportions Mathematics • Third Year of Preparatory School

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This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to use properties of proportions to find an unknown value in a proportional relationship and prove algebraic statements.

Objectives

Students will be able to

  • define the terms proportion, continued proportion, first proportional, second proportional, third proportional, fourth proportional, middle proportional, means, and extremes,
  • use properties of proportions to
    • evaluate unknowns,
    • evaluate algebraic expressions,
    • prove algebraic statements,
  • use properties of continued proportions to
    • evaluate unknowns,
    • evaluate algebraic expressions,
    • prove algebraic statements.

Prerequisites

Students should already be familiar with

  • the meaning of a proportional relationship.

Exclusions

Students will not cover

  • word problems.

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