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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?

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Writing Digits

Lee was writing all the counting numbers from 1 to 20. She stopped for a rest after writing seventeen digits. What was the last number she wrote?

Wallpaper

Stage: 1 Challenge Level: Challenge Level:2 Challenge Level:2

Arrange these pieces of wallpaper in order of size. Put the smallest first.

pieces of wallpaper

Can you explain how you did it?