Lesson 2:

Addition and Subtraction

of whole numbers


Have you ever had a part-time job?

Have you ever seen the grocery bill or receipt from a restaurant?

Have you ever thought of the math that you need to use at work?

Whether you are totalling a bill, counting your hours for your paycheque, or taking away the cost of an item, most of the math you use is adding and subtracting.

In this lesson, you will learn how to apply the rules of addition and subtraction to solve problems at work.


Image Source: Pixabay

In this lesson, you will:

  • investigate how addition and subtraction are used in various careers


Key Terms for this lesson:

  • addition
  • subtraction