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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?


Stage: 1 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3

How will you know you have found all the different number sentences?
Are there any other sums that have the $8$ in them, for example?
Are there any other addition sums?
Can you make any number sentences with all four numbers?
You could print out these cards.