Factorising with Multilink
Age 14 to 16 Challenge Level:
Can you find out what is special about the dimensions of rectangles you can make with squares, sticks and units?
Hollow Squares
Age 14 to 16 Challenge Level:
Which armies can be arranged in hollow square fighting formations?
Connect Three
Age 11 to 16 Challenge Level:
In this game the winner is the first to complete a row of three. Are some squares easier to land on than others?
Iffy Logic
Age 14 to 18 Challenge Level:
Can you rearrange the cards to make a series of correct mathematical statements?
3D Treasure Hunt
Age 14 to 18 Challenge Level:
Some treasure has been hidden in a three-dimensional grid! Can you work out a strategy to find it as efficiently as possible?
Squaring the Rectangle
Age 14 to 18 Challenge Level:
Can you find a way to turn a rectangle into a square?
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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.