There are to be 6 homes built on a new development site. They could
be semi-detached, detached or terraced houses. How many different
combinations of these can you find?
Age 5 to 11 Challenge Level:
These two solutions came from West Flegg
Middle School. The first square uses addition and the second uses
subtraction. Do you see the patterns in the numbers? Did anyone
else end up with all the same numbers in the centre?
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.