Explain why percentages are used to represent the distribution of a variable for a population or sample in large sets of data, and provide examples
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
Which is easier to compare at a glance: "18 out of 40" or "45%"?
📘 Worked solution
✓45% is easier — it's already converted to a standard out-of-100 scale, so no extra calculation is needed to compare it to other percentages.
And one from the hard end
A survey of 80 people finds that 20% prefer winter. How many of the 80 people is that?
Solution shown after you try it in practice mode.
Work through all 10, easiest to hardest
Your Winny Score tracks you as the questions ramp up. Stuck on one? A real Winny Math tutor will walk you through it — first lesson free.
Start practicing