## What you’ll learn to do: Use various operations to solve applications involving decimals

Greg is hosting a movie night for his friends, and he’s buying candy to share. Candy bars cost $0.79 each, and Greg plans to buy as many as possible with the change from his piggy bank. If he has $5.53, how many candy bars can he buy? To maximize his candy-buying power, Greg will need to use mathematical operations on decimals. In this section, you’ll learn how to perform familiar operations including addition, subtraction, multiplication, and division when working with decimals.

Before you get started, take this readiness quiz.

### readiness quiz

1)

If you missed this problem, review this video.

2)

If you missed this problem, review the video below.

3)

If you missed this problem, review the following video.

## Contribute!

Did you have an idea for improving this content? We’d love your input.