8th Grade Math (Math 8) · Chapter 2 · Lesson 2.2 · Printable PDF

Turning a Repeating Decimal Into a Fraction Worksheet with Answer Key

7 problems on turning a repeating decimal into a fraction: multiplying and subtracting, blocks that start late, choosing the multiples to subtract, going back from a fraction, a bike gear ratio, and why the method works. 2 pages, with a worked answer key.

7 problems2 pagesanswer key
Printable Turning a repeating decimal into a fraction worksheet with answer key - 8th Grade Math (Math 8) (Page 1 PDF preview)
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What's on the worksheet

  1. Write each repeating decimal as a fraction in lowest terms, showing the multiplication and subtraction:
    0.\overline{4}3.\overline{1}0.\overline{36}0.\overline{074}-0.\overline{45}
  2. Convert repeating decimals that start after non-repeating digits:
    0.4\overline{2}0.3\overline{18}0.00\overline{6}2.1\overline{6}
  3. Say which two multiples of x you would subtract for each decimal.
    0.\overline{5021}0.73\overline{2}0.0\overline{481}6.\overline{08}
  4. Use the method in reverse: write each fraction over nines as a repeating decimal.
    \dfrac{5}{11}\dfrac{13}{33}\dfrac{4}{27}\dfrac{2}{37}
  5. Word problem: the gear ratio on Mateo's bike.
  6. Find the exact value of a product of two repeating decimals.
  7. Explain the two-digit block pattern with the digits a and b.

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

Turning a repeating decimal into a fraction: the lesson ›

More Chapter 2 worksheets: Roots, irrational numbers and the real numbers