Demonstrations of how to achieve certain things, or good question-writing techniques.

Project activity

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Christian Lawson-Perfect on Pattern matching - student's answer is a fraction 2 days, 4 hours ago

Gave some feedback: Ready to use

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Christian Lawson-Perfect on Pattern matching - student's answer is a fraction 2 days, 4 hours ago

I've updated the pattern restriction to make the constants optional.

Tom Lowe on Pattern matching - student's answer is a fraction 2 days, 4 hours ago

Gave some feedback: Has some problems

Tom Lowe on Pattern matching - student's answer is a fraction 2 days, 4 hours ago

Pattern matching doesn't work when the answer simplifies to the form x/(x+b), ie when a = 0. Answer is marked as incorrect unless the answer is specifically of the form (x+0)/(x+b).

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Christian Lawson-Perfect on Pattern matching - student's answer is a fraction 2 days, 5 hours ago

Gave some feedback: Ready to use

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Christian Lawson-Perfect on Pattern matching - student's answer is a fraction 2 days, 5 hours ago

Gave some feedback: Should not be used

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Christian Lawson-Perfect on All gaps must be correct 2 weeks ago

Saved a checkpoint:

I've removed the unchanged notes from the extended marking script.

Christian Lawson-Perfect published Zero is invalid 1 month, 3 weeks ago

Christian Lawson-Perfect created Zero is invalid 1 month, 3 weeks ago