Lesson: Properties of Addition of Rational Numbers Mathematics • 7th Grade

In this lesson, we will learn how to use properties of addition in the set of rational numbers and determine the additive inverse.

Lesson Plan

Students will be able to

understand the following properties in relation to the addition of rational numbers:
- closure property,
- commutative property,
- associative property,
- additive identity,
- additive inverse,
use the listed properties to solve problems involving the addition of rational numbers,
find the additive inverse of a rational number.

Q1:

Find the additive inverse of .

Q2:

Which of the following is the sum ?

Q3:

Evaluate using properties of addition.