Nine Colors

Grade(s): more challenging
Nine Colors
Task Instruction
Are you a fan of Rubic’s Cube? Do you like to build something to solve a problem? Here is
one of our favorite puzzles!
Reference
The NRICH website publishes free mathematics resources designed to challenge, engage
and develop the mathematical thinking of students aged 5 to 19. NRICH also offers support
for teachers by publishing Teachers’ Resources for use in the classroom. This task can be
found at: http://nrich.maths.org/768