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Domino Square

Use the 'double-3 down' dominoes to make a square so that each side has eight dots.

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4 Dom

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

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Eight Dominoes

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

Dominoes

Age 7 to 16 Challenge Level:

Here are two possible solutions to the "windows" problem: