← Back

Opens your browser’s print dialog — choose “Save as PDF” as the destination.

Celeste International School

Grade 4 · Worksheet

Probability

The likelihood scale

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

    How likely is it that the sun will rise in the west tomorrow?

    1. AImpossible
    2. BUnlikely
    3. CEven chance
    4. DCertain
  2. 2.

    Which word means an event will definitely happen?

    1. ACertain
    2. BLikely
    3. CEven chance
    4. DImpossible
  3. 3.

    On a likelihood scale, which word sits between 'unlikely' and 'likely'?

    1. AEven chance
    2. BImpossible
    3. CCertain
    4. DNever
  4. 4.

    It is certain that a tossed coin will land on heads.

    True False
  5. 5.

    How likely is it that you roll a 2 on a normal 6-sided dice?

    1. AImpossible
    2. BUnlikely
    3. CEven chance
    4. DLikely
    5. ECertain
  6. 6.

    How likely is it that you roll a 5 on a normal 6-sided dice?

    1. AImpossible
    2. BUnlikely
    3. CEven chance
    4. DLikely
    5. ECertain
  7. 7.

    How likely is it that you roll a number greater than 1 on a 6-sided dice?

    1. AImpossible
    2. BUnlikely
    3. CEven chance
    4. DLikely
    5. ECertain
  8. 8.

    How likely is it that you roll a number greater than 4 on a 6-sided dice?

    1. AImpossible
    2. BUnlikely
    3. CEven chance
    4. DLikely
    5. ECertain
  9. 9.

    How likely is it that you roll a number less than 3 on a 6-sided dice?

    1. AImpossible
    2. BUnlikely
    3. CEven chance
    4. DLikely
    5. ECertain
  10. 10.

    How likely is it that you roll a number less than 5 on a 6-sided dice?

    1. AImpossible
    2. BUnlikely
    3. CEven chance
    4. DLikely
    5. ECertain
  11. 11.

    A spinner has 4 equal parts (red, blue, green, yellow). How likely is landing on blue?

    1. AImpossible
    2. BUnlikely
    3. CEven chance
    4. DLikely
    5. ECertain
  12. 12.

    A spinner has 4 equal parts (red, blue, green, yellow). How likely is landing on yellow?

    1. AImpossible
    2. BUnlikely
    3. CEven chance
    4. DLikely
    5. ECertain
  13. 13.

    How likely is it that you roll a 7 on a normal dice?

    1. AImpossible
    2. BUnlikely
    3. CEven chance
    4. DLikely
    5. ECertain
  14. 14.

    A bag has 6 red and 8 blue balls. How likely is it that you pick a red ball?

    1. AImpossible
    2. BUnlikely
    3. CEven chance
    4. DLikely
    5. ECertain
  15. 15.

    How likely is it that you roll an odd number on a dice?

    1. AImpossible
    2. BUnlikely
    3. CEven chance
    4. DLikely
    5. ECertain
  16. 16.

    A bag has 8 red and 1 blue balls. How likely is it that you pick a red ball?

    1. AImpossible
    2. BUnlikely
    3. CEven chance
    4. DLikely
    5. ECertain
  17. 17.

    A bag has 3 red and 1 blue balls. How likely is it that you pick a red ball?

    1. AImpossible
    2. BUnlikely
    3. CEven chance
    4. DLikely
    5. ECertain
  18. 18.

    How likely is it that a new baby is a boy?

    1. AImpossible
    2. BUnlikely
    3. CEven chance
    4. DLikely
    5. ECertain
  19. 19.

    A bag has 6 red and 3 blue balls. How likely is it that you pick a red ball?

    1. AImpossible
    2. BUnlikely
    3. CEven chance
    4. DLikely
    5. ECertain
  20. 20.

    A bag has 2 red and 6 blue balls. How likely is it that you pick a red ball?

    1. AImpossible
    2. BUnlikely
    3. CEven chance
    4. DLikely
    5. ECertain
Celeste International School

Answer key

Probability — The likelihood scale

  1. 1.A. Impossible
  2. 2.A. Certain
  3. 3.A. Even chance
  4. 4.False
  5. 5.B. Unlikely
  6. 6.B. Unlikely
  7. 7.D. Likely
  8. 8.B. Unlikely
  9. 9.B. Unlikely
  10. 10.D. Likely
  11. 11.B. Unlikely
  12. 12.B. Unlikely
  13. 13.A. Impossible
  14. 14.B. Unlikely
  15. 15.C. Even chance
  16. 16.D. Likely
  17. 17.D. Likely
  18. 18.C. Even chance
  19. 19.D. Likely
  20. 20.B. Unlikely