Lesson Plan: Properties of Addition and Subtraction of Integers Mathematics
This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to identify and use properties of addition and subtraction on integers.
Objectives
Students will be able to
- deduce that is closed under addition and subtraction,
- identify the additive identity and additive inverse properties,
- deduce that addition is commutative in and subtraction is not,
- deduce that addition is associative in and subtraction is not,
- use these properties in the set of integers .
Prerequisites
Students should already be familiar with
- expressing sets and the set of integers,
- adding and subtracting integers,
- the properties of addition and subtraction on natural numbers.
Exclusions
Students will not cover
- the properties in relation to multiplication and division.