Solving Problems with Proportions
Grade 12th Grade · Math · 45 min
What's Included
Learning Objective
I can solve real-world problems using proportional reasoning.
Warm-Up Video
mathantics · 10:30
Math Antics - Proportions
Guided Notes
3 key concepts
- 1
A proportion is two equivalent ratios, and equivalent ratios must have the same units.
- 2
To solve a proportion with an unknown value, you can use a procedure called cross-multiplying.
- 3
A map is an example of a scaled drawing, which is proportional to the real thing and can be used to set up a proportion to find an unknown distance.
Practice Questions
7 questions · Multiple choice & Short answer
Exit Ticket
Quick comprehension check
“A recipe requires 2 eggs for every 3 cups of flour. If you want to make a larger batch using 12 cups of flour, how many eggs will you need? Show your work using a proportion.”
Teacher Guide
Get the complete package:
- Answer keys for all questions
- Differentiation strategies
- Extension activities
- Printable student handouts
