### Introduction to Ratios

Provides an introduction to ratios: learn what a ratio is and examine simple ratio problems.

Grades 6 through 7 Material from CK-12

#### Why Use This Content?

See when students have begun their work. Or not.

#### Standards

##### 6.RP.A.1

Understand the concept of a ratio and use ratio language to describe a ratio relationship between two quantities.

##### 6.RP.A.2

Understand the concept of a unit rate a/b associated with a ratio a:b with b 0, and use rate language in the context of a ratio relationship.

##### 6.RP.A.3

Use ratio and rate reasoning to solve real?world and mathematical problems, e.g., by reasoning about tables of equivalent ratios, tape diagrams, double number line diagrams, or equations.

##### 6.RP.A.3.A

Use ratio and rate reasoning to solve real?world and mathematical problems, e.g., by reasoning about tables of equivalent ratios, tape diagrams, double number line diagrams, or equations.

##### 7.RP.A.2.A

Recognize and represent proportional relationships between quantities.

##### 7.RP.A.1

Compute unit rates associated with ratios of fractions, including ratios of lengths, areas and other quantities measured in like or different units.