Use units of time, including seconds, minutes, hours, and non-standard units, to describe duration
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.
Sample: the first question, solved
How many seconds are in half a minute?
📘 Worked solution
✓60 ÷ 2 = 30 seconds.
And one from the hard end
Which is longer: 2 minutes or 100 seconds?
Solution shown after you try it in practice mode.
Work through all 10, easiest to hardest
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