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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?

What Could It Be?

Age 5 to 7
Challenge Level

In the calculation below, the box represents a missing digit:

What could go in the box? What would the total be each time?

Which is the highest/lowest total?

Which totals are odd/even?