Marbles in a Box

Marbles in a Box


Task Instruction

Here’s one of our favorite challenges! This is a three dimensional version of tic-tac-toe which is called “noughts and crosses” in Great Britain.


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:
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