Nine Colors

Are you a fan of Rubik’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: https://nrich.maths.org/768