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4 Dom

Use these four dominoes to make a square that has the same number of dots on each side.

Eight Dominoes

Using the 8 dominoes make a square where each of the columns and rows adds up to 8


Everthing you have always wanted to do with dominoes! Some of these games are good for practising your mental calculation skills, and some are good for your reasoning skills.

Domino Tetrads

Age 11 to 14
Challenge Level

There are 28 dominoes in a set, which can be arranged in seven sets of four making a complete link, like the one below.

Is it possible to use all 28 dominoes arranging them in this way?
What patterns can you see in the solution(s) and can you explain them?
How do you know that you have all the solutions?

You may find our Dominoes Environment useful for working on this problem.

Printable NRICH Roadshow resource.