Middle schoolers use discs in order to add and subtract integers. There are manipulatives present so kinesthetic learners can access the curriculum. They also review the concept of the opposite of positive and negative numbers.

Seventh graders explore the concept of integer addition. In this integer addition instructional activity, 7th graders tell stories involving addition and subtraction. Students walk on a number line given directions such as add 3 or add...

In this properties of real numbers activity, 9th graders solve and complete 14 different problems that include identifying and applying various properties of real numbers. First, they name the property illustrated by each given equation....

Students investigate properties of additive inverses.  In this properties of additive inverses lesson, students discuss the what it means for two numbers to be opposites.  Students discuss representing opposite numbers using a...