If a recipe says, “For every cup of rice, add 2 cups of water,” that’s a ratio. In school, if there is 1 teacher to every 20 students, that’s a ratio, too. A ratio is a handy way to express the relationship between numbers.
In this lesson you will:
- Find out what ratios are and how to write them
- Learn how to scale up and scale down ratios
- Reduce ratios to lowest terms
Rates and Ratios