Imagine starting with one yellow cube and covering it all over with
a single layer of red cubes, and then covering that cube with a
layer of blue cubes. How many red and blue cubes would you need?
Age 11 to 14 Challenge Level:
Well done to all of you who answered this correctly. Unfortunately we cannot mention all of you here. A particularly clearly presented solution was sent in by Amir and James of Devonshire Primary school
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.