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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?

Always, Sometimes or Never? KS1

Age 5 to 7 Challenge Level:
Can you think of an example when it isn’t true?
How do you know that it is always true?
Is it possible to check all examples? Is there another way of knowing?

You might want to sketch shapes to try out your ideas.