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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?

Find the Difference

Age 5 to 7 Challenge Level:

You could use numbered counters that can be moved about if you're not using the interactivity.
Where might the largest number go?
You might find this sheet of blank pyramids useful.