In this town, houses are built with one room for each person. There
are some families of seven people living in the town. In how many
different ways can they build their houses?
Start Cube Drilling
Stage: 1 Challenge Level:
When you drill your holes, can you picture which small cubes have
got holes in them?
How many do you drill holes in?
Now think about your friend.
Can you picture the small cubes that he or she drills holes in?
Are any of the cubes your friend drills ones that you've already
Are some of these cubes ones that you haven't already
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. More information on many of our other activities
can be found here.