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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?

Butterfly Flowers

Stage: 1 Challenge Level: Challenge Level:1

Look at the butterflies and the numbers they have. The flowers also have numbers.
Can you find $2$ butterflies to go on each flower so that the numbers on each pair of butterflies adds to the same number as the one on the flower?

Butterflies and Flowers
 

Which pair of butterflies has no flower to go to?

Which flower cannot have a pair of butterflies on it?


Printable NRICH Roadshow resource.