7.RP.2.a
Decide whether two quantities are in a proportional relationship (e.g., by testing for equivalent ratios in a table or graphing on a coordinate plane and observing whether the graph is a straight line through the origin).
Example Problems
Apples are on sale for $3.12 per kilogram.
Is the total cost of the apples proportional to the total mass?
Is the total cost of the apples proportional to the total mass?
Does the following table show a proportional relationship between the variables and ?
| s | 0 | 3 | 6 |
|---|---|---|---|
| t | 0 | 9 | 18 |
Does the following table show a proportional relationship between the variables and ?
| s | t |
|---|---|
| 2 | 14 |
| 5 | 35 |
| 8 | 56 |
Khan Academy ResourcesProportional relationshipsIdentify proportional relationshipsIntro to proportional relationshipsProportional relationships: bananasIs side length & area proportional?Proportional relationships: graphsProportional relationshipsIs side length & perimeter proportional?Proportional relationships: movie ticketsProportional relationships: spaghetti

1-on-1 AI tutoring aligned to 7.RP.2.a. Instant help for students, real-time insights for teachers.
Used in classrooms by 100,000+ students at Baltimore County, Plano ISD, Deer Valley USD, KIPP, and districts nationwide.
Free for teachers, forever →