Investigate the different shaped bracelets you could make from 18 different spherical beads. How do they compare if you use 24 beads?
Age 7 to 11 Challenge Level
In a square in which the houses are evenly spaced around the
outside, numbers $3$ and $10$ are opposite each other.
What is the smallest number of houses in the square?
What is the largest possible number of houses in the square?
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.