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# CCSS.Math.Content.7.RP.A.2 - Recognize and represent proportional relationships between quantities.

### CCSS.Math.Content.7.RP.A.2.d - Explain what a point (x,y) on the graph of a proportional relationship means in terms of the situation, with special attention to the points (0, 0) and (1,r) where r is the unit rate.

Authors: National Governors Association Center for Best Practices, Council of Chief State School Officers

Title: CCSS.Math.Content.7.RP.A.2 Recognize And Represent Proportional Relationships Between Quantities. Ratios and Proportional Relationships - 7th Grade Mathematics Common Core State Standards

Publisher: National Governors Association Center for Best Practices, Council of Chief State School Officers, Washington D.C.

(Page last edited 10/08/2017)

1. Algebra: Solving Proportions - A quiz from Quia using the Rags to Riches format
2. All About Ratios - Five-question multiple-choice quiz
3. All About Ratios - Links to several lessons by Cynthia Lanius
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8. All About Ratios - Match the given ratio to a problem about spiders
9. All About Ratios - Match the given ratio to a problem about atoms
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11. All About Ratios - A famous Texas chef has a secret recipe for her chili. Use ratios to discover the missing ingredient of her recipe
12. Cat and Mouse Proportion - The problem is actually a brain teaser and a great opportunity to teach direct variation and inverse variation
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15. Determine the Ratio - Click on the Start button and then determine the number that fits the given ratio
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19. Interpreting and Applying Proportions - Multiple choice quiz with real-world problems
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27. Practice with Ratios - Ten question quiz, answers and explanations are available from drop down boxes -from the Internet archive
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30. Proportion Word Problems - Explanation and examples from an algebra page; direct and inverse proportion are explained
31. Proportions - Three-step lesson followed by a quiz
32. Proportions and Ratios - Includes a good explanation of means and extremes
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