List

Take a Fresh Look

Just because a situation is familiar doesn't mean it has to be dull! These problems invite you to look again at ideas you may think you know inside-out, and see what new discoveries you can make.

Writing Digits
problem
Favourite

Writing Digits

Age
5 to 7
Challenge level
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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?
Eightness of Eight
problem
Favourite

Eightness of Eight

Age
5 to 7
Challenge level
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What do you see as you watch this video? Can you create a similar video for the number 12?
Wallpaper
problem
Favourite

Wallpaper

Age
5 to 7
Challenge level
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These pieces of wallpaper need to be ordered from smallest to largest. Can you find a way to do it?

Swimming Pool Tiles
problem

Swimming Pool Tiles

Age
7 to 11
Challenge level
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This activity creates an opportunity to explore all kinds of number-related patterns.
Birthday cake Candles
problem

Birthday cake Candles

Age
7 to 11
Challenge level
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This challenge involves calculating the number of candles needed on birthday cakes. It is an opportunity to explore numbers and discover new things.
Tumbling Down
problem
Favourite

Tumbling Down

Age
7 to 11
Challenge level
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Watch this animation. What do you see? Can you explain why this happens?

Placeholder: several colourful numbers
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Surprise!

Age
5 to 11
The activities in this feature for primary students may give a surprising outcome!