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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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Number Detective

Follow the clues to find the mystery number.

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Skip Counting

Find the squares that Froggie skips onto to get to the pumpkin patch. She starts on 3 and finishes on 30, but she lands only on a square that has a number 3 more than the square she skips from.

Constant Counting

Age 5 to 7 Challenge Level:
What number could you try first?
What else could you try?
How will you remember what you've found out?