Proportional Relationships – Practice Problems
Having fun while studying, practice your skills by solving these exercises!
- Video
- Practice Problems
After this lesson, you will be able to recognize proportional relationships and be able to represent them using equations.
The lesson begins by teaching you that a proportion is a statement that relates two quantities. It leads you to learn how to set-up an equation representing a given proportion using variables and given values. It concludes with the usage of cross-multiplication to solve the equation.
Learn about proportions by watching Aunt Sally join her niece Flo in a race.
This video introduces new concepts, notation, and vocabulary such as proportional relationship, which is a mathematical relation between two quantities.
Before watching this video, you should already be familiar with writing ratios as factions, constants and variables, cross multiplication process, and solving equations.
After watching this video, you will be prepared to solve real-world problems that involve quantities represented by proportional relationships, including applications of percentage.
Common Core Standard(s) in focus: 7.RP.A.2
A video intended for math students in the 7th grade
Recommended for students who are 12 - 13 years old
Describe how to set-up and solve proportional relationships. |
Solve the proportion for the missing variable. |
Calculate and sort the proportional relationships. |
Find the correct proportions, equations, and answer. |
Identify which pairs of ratios are proportional to each other and which are not. |
Solve the real-world proportion problems. |