Testing and Solving Proportions
Grade 645 min
aligned to 7.rp.a.2a: Recognize And Represent Proportional Relationships Between Quantities. a. Decide Whether Two Quantities Are In A Proportional Relationship, E.g., By Testing For Equivalent Ratios In A Table Or graphing On A Coordinate Plane And Observing Whether The Graph Is A Straight Line Through The Origin.
Learning Objective
I can determine if two ratios make a proportion and find a missing number in a proportion.
Lesson Flow
Watch Video
Finding the Missing Number in an Equivalent Ratio
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Practice
7 questions β’ Short answer
Exit Ticket
βFind the value of x in the proportion: 3:9 = x:27 Determine if the ratios 4:12 and 6:18 form a proportion. Explain your reasoning. Find the value of y in the proportion: 2:3 = 8:yβ
Teacher Guide
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- Answer keys for all questions
- Differentiation strategies
- Extension activities
- Printable student handouts
