# Ratios, rates, & percentages

Contents
Ratios, rates, and percentages are some of the most useful math concepts in real life (and what is REAL life anyway, huh?). From baking recipes to sports, these concepts wiggle their way into our lives on a daily basis.
10 exercises available

### Intro to ratios

Ratios show up everywhere in life—sports, finance, medicine, cooking, you name it! In this tutorial, we learn what ratios are and how to use them.

### Ratio word problems

Practice solving ratio word problems like, "If 60 cherries go in 3 pies, how many cherries go in 9 pies?"

### Intro to rates

Learn about a special type of ratio called a rate. A rate is the ratio of two measurements that have different units such as 10 kilometers per hour or 12 hot dogs per minute!

### Intro to percents

Percent literally means "per cent" or "per hundred". Learn how to rewrite fractions as percents and vice versa.

### Percent problems

Learn how to solve percent problems like these: What is 80% of 25? Three is what percent of four?