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🍕 4th grade math · Fractions & Decimals

A whole times a fraction

3 × 2/5 is 2/5 + 2/5 + 2/5 = 6/5. Multiply the top, keep the bottom.

Worked example

2 × 1/2 = ? (Write a fraction or a mixed number.)
Answer: 1
2 × 1/2 means 1/2 + 1/2, which is 2/2. Multiply the top, keep the bottom. Answer: 1.

For grown-ups: Multiply a fraction by a whole number. Below: three problems to try with the worked answers, and a free printable sheet. Children can practise the same skill as a game, with no sign-up and no ads.

  • CCSS 4.NF.B.4
What this practises, for teachers

Practices multiply a fraction by a whole number (4.NF.B.4). A printable sheet with its answer key, worked answers on the page, no accounts.

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For your class

🖨️ Printable sheet and key

On the board with this skill:

More printables, with answer keys, for this grade:

Try three

  1. 2 × 3/4 = ? (Write a fraction or a mixed number.)
    Show the answer and how
    Answer: 1 1/2
    2 × 3/4 means 3/4 + 3/4, which is 6/4, or 1 and 2/4. Multiply the top, keep the bottom. Answer: 1 1/2.
  2. 5 × 3/4 = ? (Write a fraction or a mixed number.)
    Show the answer and how
    Answer: 3 3/4
    5 × 3/4 means 3/4 + 3/4 + 3/4 + 3/4 + 3/4, which is 15/4, or 3 and 3/4. Multiply the top, keep the bottom. Answer: 3 3/4.
  3. 3 × 1/3 = ? (Write a fraction or a mixed number.)
    Show the answer and how
    Answer: 1
    3 × 1/3 means 1/3 + 1/3 + 1/3, which is 3/3. Multiply the top, keep the bottom. Answer: 1.

Before and after

Learn first: Add same denominators (4th)

Comes next: Add different denominators (5th)

Name: ____________________Date: ____________Score: ____ / 12

A whole times a fraction (4th grade)

  1. 3 × 3/4 = ? (Write a fraction or a mixed number.)
  2. 2 × 4/5 = ? (Write a fraction or a mixed number.)
  3. 2 × 2/4 = ? (Write a fraction or a mixed number.)
  4. 2 × 1/2 = ? (Write a fraction or a mixed number.)
  5. 2 × 1/3 = ? (Write a fraction or a mixed number.)
  6. 6 × 1/10 = ? (Write a fraction or a mixed number.)
  7. 4 × 3/4 = ? (Write a fraction or a mixed number.)
  8. 3 × 3/5 = ? (Write a fraction or a mixed number.)
  9. 2 × 3/4 = ? (Write a fraction or a mixed number.)
  10. 9 × 4/6 = ? (Write a fraction or a mixed number.)
  11. 7 × 4/5 = ? (Write a fraction or a mixed number.)
  12. 9 × 1/3 = ? (Write a fraction or a mixed number.)

Answer key

  1. 2 1/4
  2. 1 3/5
  3. 1
  4. 1
  5. 2/3
  6. 3/5
  7. 3
  8. 1 4/5
  9. 1 1/2
  10. 6
  11. 5 3/5
  12. 3

More 4th grade skills: all 4th grade math skills, or every grade at math skills.