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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.

Gift Stacks

Age 7 to 11 Challenge Level:


There are twenty gifts stacked up into four piles.
The first pile has 3 less than the second pile.
The second pile has two more than the third pile.
The fourth pile has twice as many as the second pile.

How many gifts are in each pile?