Christian Lawson-Perfect
Member of the e-learning unit in Newcastle University's School of Mathematics and Statistics.
Lead developer of Numbas.
I'm happy to answer any questions - email me.
Christian's activity
Christian Lawson-Perfect on Expansion of brackets 8 years, 5 months ago
Gave some feedback: Ready to use
Christian Lawson-Perfect on Expansion of brackets 8 years, 5 months ago
Saved a checkpoint:
Looks OK.
You had the expected variables set incorrectly for the last two parts. You should just give the single variable names you expect, not combinations of them. And the whole point was to give a warning when the student types
xy, not allow it!
Christian Lawson-Perfect on Inverse and composite functions 8 years, 5 months ago
Gave some feedback: Ready to use
Christian Lawson-Perfect on Inverse and composite functions 8 years, 5 months ago
Saved a checkpoint:
I changed the wording in the advice a bit.
Otherwise, looks good!
Christian Lawson-Perfect on Quadrant coordinates MCQ 8 years, 5 months ago
Gave some feedback: Ready to use
Christian Lawson-Perfect on Quadrant coordinates MCQ 8 years, 5 months ago
Saved a checkpoint:
Looks good. Got there in the end!
Christian Lawson-Perfect on Fraction multiplication 8 years, 5 months ago
Gave some feedback: Ready to use
Christian Lawson-Perfect on Fraction multiplication 8 years, 5 months ago
Saved a checkpoint:
Looks good!
Christian Lawson-Perfect on Calculate powers of ten 8 years, 5 months ago
Gave some feedback: Ready to use
Christian Lawson-Perfect on Calculate powers of ten 8 years, 5 months ago
Saved a checkpoint:
Nice simple question!