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.
problem
Favourite
Writing digits
Age
5 to 7
Challenge level
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?
problem
Favourite
Eightness of eight
Age
5 to 7
Challenge level
What do you see as you watch this video? Can you create a similar video for the number 12?
problem
Favourite
Wallpaper
Age
5 to 7
Challenge level
These pieces of wallpaper need to be ordered from smallest to largest. Can you find a way to do it?
problem
Swimming pool tiles
Age
7 to 11
Challenge level
This activity creates an opportunity to explore all kinds of number-related patterns.
problem
Birthday cake candles
Age
7 to 11
Challenge level
This challenge involves calculating the number of candles needed on birthday cakes. It is an opportunity to explore numbers and discover new things.
problem
Favourite
Tumbling down
Age
7 to 11
Challenge level
Watch this animation. What do you see? Can you explain why this happens?
