Identify and use symbols as variables in expressions and equations
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
In n+9=14, what does "n" represent?
📘 Worked solution
✓An unknown number that, when added to 9, gives 14 (n=5).
And one from the hard end
Explain why symbols like "x" or "n" are used instead of just blank spaces in equations.
Solution shown after you try it in practice mode.
Work through all 10, easiest to hardest
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