Grade 6 · Ratios and Proportional Relationships

CCSS.MATH.CONTENT.6.RP.A.1

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

Read this standard on the official Common Core site

Lessons that teach this standard

• What Is a Ratio? Comparing Two Quantities

  What a ratio means, the three ways to write one, the difference between part-to-part and part-to-whole ratios, and why the order of the numbers matters.