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Lesson Plan: Representing Relations Mathematics • Third Year of Preparatory School
This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to represent a relation using a mapping diagram or a graph, knowing the domain and range of a given relation.
Objectives
Students will be able to
- understand the meaning of a relation between two sets or within a set itself,
- use an arrow diagram or Cartesian diagrams to represent a given relation between two sets,
- write down the ordered pairs that show the relationship between two sets given an arrow diagram, a Cartesian diagram, a rule, or a table,
- form ordered pairs, an arrow diagram, or an equation (rule) based on the described relationship shown,
- find the unknown elements in a relation given its rule.
Prerequisites
Students should already be familiar with
- set notation,
- Cartesian products,
- representing the Cartesian product using arrow diagrams and Cartesian diagrams.
Exclusions
Students will not cover
- functions,
- domain and range.
