Lesson Plan: Proportions Mathematics • Third Year of Preparatory School
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.
