Use non-standard units to measure length, and describe the inverse relationship between unit size and number of units needed
30 tutor-authored questions for this Ontario curriculum expectation, ordered easiest to hardest, every one with a full worked solution. Work through all 30 with your weekly-lesson access code.
Sample: the first question, solved
If a desk measures 6 paperclips long, and a pencil is about 2 paperclips long, about how many pencils would it take?
📘 Worked solution
✓6 ÷ 2 = 3 pencils.
And one from the hard end
A hallway is measured with 4 different non-standard units and gives counts of 80, 40, 20, and 10. If the unit that gave a count of 10 is 2 metres long, what is the approximate length of the unit that gave a count of 80?
Solution shown after you try it in practice mode.
Work through all 30, easiest to hardest
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