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Three Squares

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

Two Dice

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

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?

Domino Sorting

Age 5 to 7
Challenge Level
You might find it useful to find some real dominoes to use.
Have you added up or counted the spots on each domino?
Can you think of some pairs of numbers that add to five?