Arrange the numbers 1 to 16 into a 4 by 4 array. Choose a number.
Cross out the numbers on the same row and column. Repeat this
process. Add up you four numbers. Why do they always add up to 34?
Regular Hexagon Loops
Age 11 to 14 Challenge Level:
For a better visualization, you could use one of the various physical regular hexagons available (e.g. ATM mats and Pattern Block shapes) or make some by yourself, using paper or cardboard. An alternative is to work on regular hexagon sheets.
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.