Noah saw 12 legs walk by into the Ark. How many creatures did he see?
Age 5 to 11 Challenge Level
How will you make sure you don't repeat any totals?
How will you make sure you find all the different ways?
It might help to limit yourself to just two types of coin first so
that you develop a good system.
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.