Solve problems requiring various operations with rational numbers and percentages, in applications from other subjects and everyday life
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
A recipe requires 1/2 cup of oil, and you want to make 2 times the recipe. Find how much oil is needed.
📘 Worked solution
✓1/2 × 2 = 1 cup.
And one from the hard end
"In a chemistry experiment, a 500mL solution is 3/10 acid. If 15% of the solution evaporates (reducing total volume, but not the amount of acid), find the new acid concentration as a percentage."
Solution shown after you try it in practice mode.
Work through all 30, easiest to hardest
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