What is Proportion?
Learning Objective
I can define "proportion" and identify the proportion that represents a proportional relationship.
Lesson Flow
Watch Video
Math Antics - Proportions
mathantics
Guided Notes
Key concepts students will learn:
- •
A proportion is two equivalent ratios that are set equal to each other.
- •
In order for two ratios to be equivalent, they must have the same value and the same units.
- •
If three of the values in a proportion are known, you can use cross-multiplication to solve for the unknown value.
Practice
7 questions • Multiple choice & Short answer
Exit Ticket
“Which of the following represents a proportion? Explain why. A) 3 books / 6 days = 9 books / 18 days B) 4 apples / 8 dollars = 2 oranges / 4 dollars C) 5 miles / 1 hour = 10 miles / 3 hours”
Teacher Guide
Get the complete package:
- Answer keys for all questions
- Differentiation strategies
- Extension activities
- Printable student handouts
