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problem
3 out of 3
Perfect Eclipse
14 to 16
3 out of 3
Use trigonometry to determine whether solar eclipses on earth can be perfect.
problem
3 out of 3
Coins
11 to 14
3 out of 3
A man has 5 coins in his pocket. Given the clues, can you work out what the coins are?
problem
2 out of 3
Robert's Spreadsheet
14 to 16
2 out of 3
Robert noticed some interesting patterns when he highlighted square
numbers in a spreadsheet. Can you prove that the patterns will
continue?
problem
1 out of 3
Eye View
7 to 11
1 out of 3
Why does the tower look a different size in each of these pictures?
problem
1 out of 3
Favourite
Bridge Builder
16 to 18
1 out of 3
In this short problem we investigate the tensions and compressions in a framework made from springs and ropes.
problem
2 out of 3
Favourite
Classic Problem - Tower of Hanoi
14 to 16
2 out of 3
The Tower of Hanoi is an ancient mathematical challenge.
problem
2 out of 3
Favourite
Training Schedule
14 to 16
2 out of 3
The heptathlon is an athletics competition consisting of 7 events. Can you make sense of the scoring system in order to advise a heptathlete on the best way to reach her target?
problem
3 out of 3
Building With Rods
7 to 11
3 out of 3
In how many ways can you stack these rods, following the rules?