Read, alter, and debug existing code (including code involving loops and conditionals) to represent mathematical situations
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
Given code "y=4x+2," what single change would make it represent y=4x−2?
📘 Worked solution
✓Only the constant term needs to flip sign, since the slope stays the same.
And one from the hard end
Read "repeat for x=1 to 3: (y=2x)." What y-values are generated?
Solution shown after you try it in practice mode.
Work through all 10, easiest to hardest
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