Grade 1 Math · Probability

Use the language "impossible," "possible," and "certain" to describe likelihood

10 tutor-authored questions for this Ontario curriculum expectation, ordered easiest to hardest — every one with a full worked solution. Work through them free, no account needed.

Start the 10 questions Curriculum: G1-D2.1

Sample: the first question, solved

Is it possible, impossible, or certain that a fish can breathe underwater?
Choices: certain ;; impossible ;; possible ;; unlikely

📘 Worked solution
Certain — fish need water to breathe through their gills.

And one from the hard end

Is it possible, impossible, or certain that it will rain tomorrow?

Solution shown after you try it in practice mode.

Work through all 10, easiest to hardest

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