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Three Squares

What is the greatest number of squares you can make by overlapping three squares?

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Two Dice

Find all the numbers that can be made by adding the dots on two dice.

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Biscuit Decorations

Andrew decorated 20 biscuits to take to a party. He lined them up and put icing on every second biscuit and different decorations on other biscuits. How many biscuits weren't decorated?

Overlaps

Age 5 to 7 Challenge Level:
Try to "see" one shape moving over the other in your mind.
If you want to work away from the computer, you could cut out the shapes in two different colours of tissue paper or cut up two overhead transparencies to test out your ideas. Or, you could try drawing the two shapes overlapping.