Testing and Solving Proportions
Grade 6•45 minutes•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.
Practice Questions
This lesson includes 7 practice questions to reinforce learning.
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1. Explain in your own words what a proportion is.
2. Determine if the ratios 3:4 and 9:12 form a proportion. Explain your reasoning.
3. Find the value of 'y' in the proportion: 2:5 = 6:y
...and 4 more questions
Educational Video
Finding the Missing Number in an Equivalent Ratio
Math with Mr. J