How many different cuboids can you make when you use four CDs or
DVDs? How about using five, then six?
Regular Rings 1
Age 7 to 11 Challenge Level:
What do you notice about the different types of fold on the crease pattern? Can you tell which direction each fold is in?
What order do you think the folds were made in?
How could we check what we’ve done so far?
The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the
NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to
embed rich mathematical tasks into everyday classroom practice.