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8th Grade Math (Math 8) · Chapter 4 · Lesson 4.6 · Printable PDF

Inversely Proportional Relationships Worksheet with Answer Key

6 problems on inversely proportional relationships: finding missing values, download speed and time, checking points on a graph, pumps and hours, fitting an inverse proportion, and gears. 2 pages, with a worked answer key.

6 problems2 pagesanswer key
Printable Inversely proportional relationships worksheet with answer key - 8th Grade Math (Math 8) (Page 1 PDF preview)
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What's on the worksheet

  1. Use the pair of values to find the missing value of an inverse proportion:
    y = 8 when x = 6. Find y when x = 16.y = 5 when x = 9. Find x when y = 15.y = 1.2 when x = 25. Find y when x = 4.y = 14 when x = 0.5. Find y when x = 2.y = 36 when x = 2. Find x when y = 0.9.
  2. Word problem: Leah's download speed and download time.
  3. Decide which points lie on the graph of an inverse proportion through (6, 4).
  4. Word problem: how long would 6 pumps take to drain a basement, and what is wrong with Ryan's proportion?
  5. Show an inverse proportion fits two given points and use it.
  6. Word problem: turns per minute of two meshing gears.

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

Inversely proportional relationships: the lesson ›

More Chapter 4 worksheets: Proportional relationships and slope