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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.

    How likely is it that a flipped coin lands on heads?

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

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

    1. AUnlikely
    2. BLikely
    3. CCertain
    4. DEven chance
  4. 4.

    Which word means an event will definitely happen?

    1. ACertain
    2. BLikely
    3. CEven chance
    4. DImpossible
  5. 5.

    Which word means an event cannot happen at all?

    1. AImpossible
    2. BUnlikely
    3. CEven chance
    4. DCertain
  6. 6.

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

    1. AEven chance
    2. BImpossible
    3. CCertain
    4. DNever
  7. 7.

    Put these likelihood words in order, from least likely to most likely. (Tap them in order.)

    Write the order (least likely to most likely) in the boxes:

    • ?even chance
    • ?impossible
    • ?certain
    • ?unlikely
    • ?likely
  8. 8.

    It is impossible to roll a 7 on a normal 6-sided dice.

    True False
  9. 9.

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

    True False
  10. 10.

    How likely is it that you roll a 1 on a normal 6-sided dice?

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

    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
  12. 12.

    How likely is it that you roll a 3 on a normal 6-sided dice?

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

    How likely is it that you roll a 4 on a normal 6-sided dice?

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

    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
  15. 15.

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

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

    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
  17. 17.

    How likely is it that you roll a number greater than 2 on a 6-sided dice?

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

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

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

    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
  20. 20.

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

    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. Even chance
  3. 3.A. Unlikely
  4. 4.A. Certain
  5. 5.A. Impossible
  6. 6.A. Even chance
  7. 7.impossible, unlikely, even chance, likely, certain
  8. 8.True
  9. 9.False
  10. 10.B. Unlikely
  11. 11.B. Unlikely
  12. 12.B. Unlikely
  13. 13.B. Unlikely
  14. 14.B. Unlikely
  15. 15.B. Unlikely
  16. 16.D. Likely
  17. 17.D. Likely
  18. 18.C. Even chance
  19. 19.B. Unlikely
  20. 20.B. Unlikely