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Celeste International School

Grade 4 · Worksheet

Ratio and proportion

Ratio

Name: ______________________________Date: ______________Score: ______ / 20
  1. 1.

    A necklace has 3 circles for every 1 square. What is the ratio of circles to squares?

    1. A3 : 1
    2. B1 : 3
    3. C3 : 4
    4. D4 : 1
  2. 2.

    Zara has 10 blue pens and 5 red pens. What is the ratio of red pens to blue pens?

    1. A5 : 10
    2. B10 : 5
    3. C1 : 5
    4. D5 : 5
  3. 3.

    For every 1 black bead there are 3 white beads. What is the ratio black : white?

    1. A1 : 3
    2. B3 : 1
    3. C1 : 4
    4. D4 : 1
  4. 4.

    The ratio 1 : 3 means the same as 3 : 1.

    True False
  5. 5.

    There are 9 black for every 6 white. What is the ratio of black to white?

    1. A9 : 6
    2. B9 : 15
    3. C6 : 9
    4. D15 : 6
  6. 6.

    There are 7 cats for every 7 dogs. What is the ratio of cats to dogs?

    1. A14 : 7
    2. B7 : 7
    3. C7 : 7
    4. D7 : 14
  7. 7.

    There are 8 cats for every 3 dogs. What is the ratio of cats to dogs?

    1. A3 : 8
    2. B8 : 11
    3. C8 : 3
    4. D11 : 3
  8. 8.

    There are 7 circles for every 1 squares. What is the ratio of circles to squares?

    1. A8 : 1
    2. B7 : 1
    3. C7 : 8
    4. D1 : 7
  9. 9.

    There are 1 red for every 8 blue. What is the ratio of red to blue?

    1. A9 : 8
    2. B1 : 8
    3. C8 : 1
    4. D1 : 9
  10. 10.

    There are 9 red for every 5 blue. What is the ratio of red to blue?

    1. A5 : 9
    2. B14 : 5
    3. C9 : 14
    4. D9 : 5
  11. 11.

    There are 1 black for every 9 white. What is the ratio of black to white?

    1. A10 : 9
    2. B1 : 10
    3. C9 : 1
    4. D1 : 9
  12. 12.

    There are 6 cats for every 8 dogs. What is the ratio of cats to dogs?

    1. A14 : 8
    2. B6 : 14
    3. C6 : 8
    4. D8 : 6
  13. 13.

    There are 1 apples for every 5 oranges. What is the ratio of apples to oranges?

    1. A1 : 5
    2. B1 : 6
    3. C5 : 1
  14. 14.

    There are 1 red for every 7 blue. What is the ratio of red to blue?

    1. A1 : 7
    2. B1 : 8
    3. C7 : 1
  15. 15.

    There are 9 cats for every 6 dogs. What is the ratio of cats to dogs?

    1. A9 : 15
    2. B9 : 6
    3. C6 : 9
  16. 16.

    There are 3 apples for every 8 oranges. What is the ratio of apples to oranges?

    1. A8 : 3
    2. B3 : 11
    3. C3 : 8
  17. 17.

    There are 1 red for every 3 blue. What is the ratio of red to blue?

    1. A1 : 3
    2. B1 : 4
    3. C3 : 1
  18. 18.

    There are 8 red for every 6 blue. What is the ratio of red to blue?

    1. A6 : 8
    2. B8 : 6
    3. C8 : 14
  19. 19.

    There are 4 apples for every 3 oranges. What is the ratio of apples to oranges?

    1. A4 : 3
    2. B3 : 4
    3. C4 : 7
  20. 20.

    There are 8 cats for every 1 dogs. What is the ratio of cats to dogs?

    1. A8 : 1
    2. B1 : 8
    3. C8 : 9
Celeste International School

Answer key

Ratio and proportion — Ratio

  1. 1.A. 3 : 1
  2. 2.A. 5 : 10
  3. 3.A. 1 : 3
  4. 4.False
  5. 5.A. 9 : 6
  6. 6.B. 7 : 7
  7. 7.C. 8 : 3
  8. 8.B. 7 : 1
  9. 9.B. 1 : 8
  10. 10.D. 9 : 5
  11. 11.D. 1 : 9
  12. 12.C. 6 : 8
  13. 13.A. 1 : 5
  14. 14.A. 1 : 7
  15. 15.B. 9 : 6
  16. 16.C. 3 : 8
  17. 17.A. 1 : 3
  18. 18.B. 8 : 6
  19. 19.A. 4 : 3
  20. 20.A. 8 : 1