7th Grade Math (Math 7) · Chapter 4 · Lesson 4.2 · Printable PDF

Finding the Whole from a Part and a Percent Worksheet with Answer Key

8 problems on finding the whole from a part and a percent: solving for the whole, hiking trail length, gold and silver purity, faulty light bulbs, labeled books, a student's error, and ticket sales. 2 pages, with a worked answer key.

8 problems2 pagesanswer key
Printable Finding the whole from a part and a percent worksheet with answer key - 7th Grade Math (Math 7) (Page 1 PDF preview)
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What's on the worksheet

  1. Find the whole w in each statement.
    18 is 25% of w16 is 80% of w63 is 35% of w4.8 is 12% of w1.5 is 2.5% of w
  2. Word problem: the length of the whole trail from a part walked.
  3. Word problem: masses of gold and silver in jewelry.
  4. Word problem: bulbs made in a week from a count of faulty ones.
  5. Word problem: books labeled and books still needing a sticker.
  6. Explain why Sofia's answer is wrong and what she did instead.
  7. Find 45% of a number given 30% of it, without finding the number first.
  8. Word problem: concert tickets sold on two days as percents of the seats.

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

Finding the whole from a part and a percent: the lesson ›