Describing ratios

2 videos
1 skill
Would you rather go to a college with a high teacher-to-student ratio or a low one? What about the ratio of girls to boys? What is the ratio of eggs to butter in your favorite dessert? Ratios show up everywhere in life. This tutorial introduces you to what they are, how they can be expressed, and how to make good use of them. Common Core Standards: 6.RP.A.1, 6.RP.A.2

Introduction to ratios

VIDEO 3:58 minutes
Your weedeater instructions tell you to put a fuel mixture of gas and oil in the engine, and that ratio is 40:1. What does that mean? Ratios give us the relationship between quantities of two different things.

Ratios as fractions

VIDEO 3:22 minutes
A ratio is nothing more than a fraction, so another way of representing ratios is by using fraction notation. We'll explain.

Representing ratios