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In how many different positions can the three red balls settle?

How many of these positions contain no red balls in a corner?
 

You may find this Recording Sheet useful.

 

 

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This is a game for two players. Does it matter where the target is put? Is there a good strategy for winning?

Game of PIG - Sixes

Can you beat Piggy in this simple dice game? Can you figure out Piggy's strategy, and is there a better one?

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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.

NRICH is part of the family of activities in the Millennium Mathematics Project.

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