## 7.RP.A.2A Determining whether two quantities are in a proportional relationship

Posted: October 6, 2014 in Advance

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.

1. ## Analyze a table to determine find proportional relationships

COMMON CORE: 7.RP.A.2A | BY: TIKEYA WRIGHT

In this lesson, you will learn how to determine whether ratios are proportional by reading tables.

#### Interactive Practice:

1. Algebra: Solving Proportions – A quiz from Quia using the Rags to Riches format
2. All About Ratios – A famous Texas chef has a secret recipe for her chili. Use ratios to discover the missing ingredient of her recipe
3. All About Ratios – Five-question multiple-choice quiz
4. All About Ratios – Links to several lessons by Cynthia Lanius
5. All About Ratios – Match the given ratio to another problem
6. All About Ratios – Match the given ratio to a problem about fish
7. All About Ratios – Match the given ratio to a problem about cameras
8. All About Ratios – Match the given ratio to a problem about stars
9. All About Ratios – Match the given ratio to a problem about spiders
10. All About Ratios – Match the given ratio to a problem about atoms
11. All About Ratios – Match the given ratio to a problem about dolls and cameras
12. Cat and Mouse Proportion – The problem is actually a brain teaser and a great opportunity to teach direct variation and inverse variation
13. Comparing Ratios and Rates – Take a five questions multiple-choice quiz about ratios and rates
14. Determine a Number Based on the Ratio – Click on the Start button and then determine the ratio of the given numbers
15. Determine the Ratio – Click on the Start button and then determine the number that fits the given ratio
16. Dirt Bike Proportions – Select the correct proportion; the quicker you answer the faster your bike will go
17. Equivalent Fractions – Determine which gems are equivalent to the ones wanted by each store and then ship the order (check to see if you were right)
18. Hand Squeeze – Pass a “hand squeeze” around a circle and measure the amount of time that it takes for the hand squeeze to complete the circle. This is a data collection and analysis class experiment
19. Interpreting and Applying Proportions – Multiple choice quiz with real-world problems
20. Learning ratios and proportions through scale drawings – A text lesson plan
21. Math Challenge – Use proportional reasoning to answer this problem
22. Percent with a Calculator – Explanation, examples and a link to a quiz to check understanding
23. Percentage – Index of lessons available at AAA Math
24. Percentages and Proportions – Short multiple choice quiz
25. Percentages and Ratios – Index of lessons available at AAA Math
26. Practice forming Ratios – After you have tried several of the practice problems, scroll down for a quiz
27. Practice with Ratios – Eleven multiple choice questions about ratios
28. Practice with Ratios – Ten question quiz, answers and explanations are available from drop down boxes -from the Internet archive
29. Proportion Word Problems – Explanation and examples from an algebra page; direct and inverse proportion are explained
30. Proportions – Three-step lesson followed by a quiz
31. Proportions and Ratios – Includes a good explanation of means and extremes
32. Rates, Ratios and Proportions – Quiz in the format of a two person game
33. Ratio – Spy Guys interactive lesson
34. Ratio – Which choice gives more pizza per student
35. Ratio and Proportion – One minute video about ratio and proportion
36. Ratio and Proportion – Level 1 quiz
37. Ratio and Proportion – Entry level quiz
38. Ratio and Proportion – This explanation includes a discussion about rates
39. Ratio and Proportion – Key words to keep in mind as you work with ratio and proportion
40. Ratio and Proportion – Select how many questions you want to answer from a drop-down menu
41. Ratio and Proportion Problems – An index of problems and their explanation from Ask Dr. Math
42. Ratio and Proportions – Short video lesson explaining ratios and proportions
43. Ratio Blaster – A game for finding equal ratios
44. Ratio Introduction – Short explanation from Math for Morons Like Us
45. Ratio Proportion Calculator – This calculator teaches the basics of algebra in setting and determining unknowns
46. Ratio Stadium – A racing game practicing the skill of making ratios
47. Ratios – Seven pages filled with examples at Purple Math
48. Ratios – This three page explanation followed by a quiz includes explanation about equal ratios
49. Ratios and Proportions – Quiz in the rags to riches game format
50. Ratios and Proportions – A thirteen slide interactive show to practice making ratios and expressing proportions
51. Real World Problems – Three practice problems with a link to find the solutions
52. Review of Proportions – How to set up various types of proportions
53. Review of Ratios – How to set up ratios and how to compare them
54. Shade – Shade in the correct amount of units to equal the fraction by clicking on the unit
55. Sharing Prize Money – This worksheet uses UK money, but ratios are set up the same way
56. Sharing Prize Money 2 – This worksheet uses UK money with a profit and loss scenario
57. Simplifying Ratios – How to make ratios smaller so that they are easier to understand
58. Solve it! – Videos provide problem solving practice for students. Each set contains five multistep word problems with step by step video solutions. Concepts include basic operations, algebraic reasoning, money, fractions, percent, perimeter, area, proportional reasoning, and measurement.
59. Teaching Ratios and Proportions – Suggestions for parents to use to help students learn this topic
60. Understanding Ratio – A worksheet to print so students can practice working with ratios
61. Using Proportions – Five multiple choice questions
62. Writing Ratios as Fractions – Worksheet for expressing ratios as fractions