Fruity Totalslive
Age 7 to 16 Challenge Level:
In this interactivity each fruit has a hidden value. Can you deduce what each one is worth?
Peaches Today, Peaches Tomorrow...live
Age 11 to 14 Challenge Level:
Whenever a monkey has peaches, he always keeps a fraction of them each day, gives the rest away, and then eats one. How long could he make his peaches last for?
What's it Worth?live
Age 11 to 16 Challenge Level:
There are lots of different methods to find out what the shapes are worth - how many can you find?
Cuboid Challengelive
Age 11 to 16 Challenge Level:
What's the largest volume of box you can make from a square of paper?
Tree Topslive
Age 14 to 16 Challenge Level:
Can you make sense of information about trees in order to maximise the profits of a forestry company?
Sortedlive
Age 14 to 18 Challenge Level:
How can you quickly sort a suit of cards in order from Ace to King?
Secondary Toughnutslive
Age 11 to 18 Challenge Level:
These secondary problems have not yet been solved. Can you be the first?
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NRICH is part of the family of activities in the Millennium Mathematics Project.
NRICH is part of the family of activities in the Millennium Mathematics Project.