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6 Beads

If you put three beads onto a tens/ones abacus you could make the numbers 3, 30, 12 or 21. What numbers can be made with six beads?

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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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Next Domino

Which comes next in each pattern of dominoes?

Writing Digits

Stage: 1 Short Challenge Level: Challenge Level:1

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?