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7th Grade Math (Math 7) · Chapter 3 · Lesson 3.5 · Printable PDF

Recognizing a Proportional Relationship in an Equation Worksheet with Answer Key

6 problems on recognizing proportional relationships in equations: writing y equals kx, finding values, perimeter and other quantities, comparing two proportional quantities, maple syrup, and a hike's altitude. 3 pages, with a worked answer key.

6 problems3 pagesanswer key
Printable Recognizing a proportional relationship in an equation worksheet with answer key - 7th Grade Math (Math 7) (Page 1 PDF preview)
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Try one first: a free Chapter 1 worksheet (PDF, no sign-in).

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What's on the worksheet

  1. Decide if each equation is proportional and rewrite it as y = kx.
    y = \dfrac{3x}{4}y = 7x - 76y = 15xy = \dfrac{x}{2} + \dfrac{x}{3}y + x = 4x
  2. Write an equation for y in terms of x and use it to find values.
  3. Write an equation for each quantity and decide if it is proportional to the length.
  4. Show how two quantities proportional to x relate to each other.
  5. Word problem: maple sap needed to make syrup.
  6. Check Ryan's claim about Owen's height on a hike.

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

Recognizing a proportional relationship in an equation: the lesson ›

More Chapter 3 worksheets: Proportional relationships