Grade 7 · Ratios and Proportional Relationships
CCSS.MATH.CONTENT.7.RP.A.2
Recognize and represent proportional relationships between quantities.
Read this standard on the official Common Core site
Lessons that teach this standard
- Solving Proportions and Cross Multiplication
What a proportion is, how to solve one by cross multiplying, why cross multiplication works, and how to check whether two ratios form a proportion.