Math Grade 4-5

Multiplying Fractions by Whole Numbers

Use repeated addition, models, and simplification

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Use repeated addition, models, and simplification

Math - Grade 4-5

Instructions: Read each problem carefully. Multiply the whole number by the numerator, keep the denominator the same, and simplify when needed. Show your work in the space provided.
  1. 1
    Three fraction bars each divided into fourths with one part shaded.

    Solve: 3 x 1/4.

  2. 2
    Five fraction bars each divided into thirds with two parts shaded.

    Solve: 5 x 2/3. Write the answer as a mixed number if needed.

  3. 3
    Four measuring cups each about three quarters full of oats.

    A recipe uses 3/4 cup of oats for one batch of muffins. How many cups of oats are needed for 4 batches?

  4. 4
    Six fraction bars each divided in half with one half shaded.

    Solve: 6 x 1/2.

  5. 5
    Eight water bottles each filled to about three fifths.

    There are 8 water bottles. Each bottle is 3/5 full. If all the water is poured together, how many full bottles of water are there?

  6. 6
    Two fraction bars each divided into sixths with five parts shaded.

    Solve: 2 x 5/6.

  7. 7
    Three books, each showing two fifths of a progress bar shaded.

    A student reads 2/5 of a book each day for 3 days. How much of the book does the student read in all?

  8. 8
    Seven fraction bars each divided into eighths with three parts shaded.

    Solve: 7 x 3/8.

  9. 9
    Five ribbon strips each showing four sevenths highlighted.

    A ribbon is 4/7 meter long. Mia cuts 5 ribbons of the same length. What is the total length of the ribbons?

  10. 10
    Nine fraction bars each divided into ninths with two parts shaded.

    Solve and simplify: 9 x 2/9.

  11. 11
    A cupcake tray with twelve spaces and a measuring cup one third full of batter.

    A tray has 12 equal spaces for cupcakes. Each cupcake uses 1/3 cup of batter. How many cups of batter are needed for 12 cupcakes?

  12. 12
    Four fraction bars each divided into eighths with five parts shaded.

    Solve: 4 x 5/8.

  13. 13
    Six garden rows, each with two of three sections planted.

    A garden row is 2/3 yard long. There are 6 equal garden rows. What is the total length of all the rows?

  14. 14
    Two groups of fraction bars comparing three groups of two fifths with four groups of one half.

    Which expression has the greater product: 3 x 2/5 or 4 x 1/2? Show your work.

  15. 15
    Four fraction bars each divided into tenths with three parts shaded.

    Write a multiplication equation for this repeated addition: 3/10 + 3/10 + 3/10 + 3/10. Then find the sum.

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