Solving Scaling Problems
Grade 10 · Math · 60 min· Students Use Mathematical Modelling To Solve Practical Problems Involving Proportion And Scaling, Evaluating And Modifying Models, And Reporting Assumptions, Methods And Findings.
What's Included
Learning Objective
I can use proportional reasoning to solve scaling problems in real-world contexts.
Warm-Up Video
Math with Mr. J · 8:36
How to Solve Proportions | Math with Mr. J
Guided Notes
3 key concepts
- 1
When solving proportions using relationships, you can use multiplication or division to find the unknown value.
- 2
When using cross multiplication to solve proportions, you must first cross multiply, then set the cross products equal to each other, and then solve.
- 3
When solving proportions using relationships, you can look for a relationship that uses multiplication or division horizontally, from side to side between the ratios.
Practice Questions
12 questions · Short answer
Exit Ticket
Quick comprehension check
“A map has a scale of 1 cm to 50 km If two cities are 3.5 cm apart on the map, what is the actual distance in miles between the two cities?”
Complete Lesson Package
Get all 3 ready-to-use resources:
