Explain the relationships between millimetres, centimetres, metres, and kilometres, and use benchmarks to estimate lengths
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 millimetres are in 3 centimetres?
📘 Worked solution
✓3×10 = 30mm.
And one from the hard end
How many metres are in half a kilometre?
Solution shown after you try it in practice mode.
Work through all 10, easiest to hardest
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