I’m late posting it here (sorry) but I know I have already shared it with some people directly.
The Calculated Colouring for 2018 is now here – maybe you could do it on Christmas morning?
Same format as before – all questions should be suitable for current Year 12 students, some sample questions are below so you can get a flavour for them:
Thanks to Adam (@robotmaths) and my class for pointing out a couple of mistakes in my original version.
This year’s picture is a snowman – I need to come up with something exciting for next year.
The file is available here.