7.1.7.2.1
Understand the concept of proportionality in real-world and mathematical situations, and distinguish between proportional and other relationships.
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 |

1-on-1 AI tutoring aligned to 7.1.7.2.1. 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 →