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7th Grade Math (Math 7) · Chapter 3 · Lesson 3.2 · Printable PDF

What a Proportion Says Worksheet with Answer Key

6 problems on what a proportion says: testing whether proportions are true, hot cocoa mixes, saltiness of brines, a potting mix, bean sprouting, and which TV screens have the same shape. 3 pages, with a worked answer key.

6 problems3 pagesanswer key
Printable What a proportion says worksheet with answer key - 7th Grade Math (Math 7) (Page 1 PDF preview)
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What's on the worksheet

  1. Decide if each proportion is true or false and show your test.
    \dfrac{6}{14} = \dfrac{9}{21}10 : 4 = 25 : 12\dfrac{3.5}{5} = \dfrac{14}{20}12 : 18 = 18 : 27\dfrac{2}{3} : 5 = 4 : 30
  2. Word problem: how much cocoa powder for 7 cups of milk.
  3. Compare two brines to see if they are equally salty.
  4. Decide if a scaled potting mix is in the same ratio and give the scale factor.
  5. Compare the sprout rates of Arjun's and Zoe's bean seeds.
  6. Find which screens have the same width to height ratio as a TV.

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The free lesson teaches it with worked examples and practice problems.

What a proportion says: the lesson ›

More Chapter 3 worksheets: Proportional relationships