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Grade 1 · Math · Unit 10 of 15

Impossible, Possible, Certain

How likely is it?

What your child practises

Using the words impossible, possible and certain, and using spinners to say which colour is most likely.

Ontario Curriculum expectation: D2.1 · describing likelihood as impossible, possible or certain

Sample questions

A taste of this unit. In the app, questions change every time and get easier or harder to match your child.

  1. Question 1

    A coin you flip will land heads.

    🪙Impossible, possible or certain?
    • impossible
    • certain
    • possible
    Show answer

    possible

    Hint: Possible means it might happen, but it might not.

  2. Question 2

    You will see a friend at school tomorrow.

    🧒Impossible, possible or certain?
    • certain
    • impossible
    • possible
    Show answer

    possible

    Hint: Possible means it might happen, but it might not.

  3. Question 3

    It will rain on your birthday.

    🌧️Impossible, possible or certain?
    • impossible
    • possible
    • certain
    Show answer

    possible

    Hint: Possible means it might happen, but it might not.

  4. Question 4

    You spin the spinner. Will it land on yellow?

    • certain
    • impossible
    • possible
    Show answer

    possible

    Hint: More than one colour is on the spinner, so it might happen.

  5. Question 5

    A cow will jump over the real moon.

    🐄Impossible, possible or certain?
    • possible
    • certain
    • impossible
    Show answer

    impossible

    Hint: Impossible means it can never happen.

  6. Question 6

    You spin the spinner. Will it land on blue?

    • impossible
    • possible
    • certain
    Show answer

    certain

    Hint: Every part is the same colour, so it will happen for sure.

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