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Scissors, Paper, Rock Chinese Style
Try the Chinese version of this well-known game with a friend. Great to play in the garden or in the park.
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problem
Approaching Midnight: Taking It Further
Here we offer some suggestions about how you could take the Approaching Midnight game further.
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Guess the Dominoes for Two
7 to 11
Guess the Dominoes for child and adult. Work out which domino your partner has chosen by asking good questions.
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Talking About Maths
The first of two articles for teachers explaining how to include talk in maths presentations.
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Two and One
5 to 7
Terry and Ali are playing a game with three balls. Is it fair that Terry wins when the middle ball is red?
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Solving Together - Estimating Angles
Week 2
How well can you estimate angles? Playing this game could improve your skills.
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Marbles and Bags
14 to 16
Two bags contain different numbers of red and blue marbles. A marble is removed from one of the bags. The marble is blue. What is the probability that it was removed from bag A?
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Tic Tac Toe
11 to 14
In the game of Noughts and Crosses there are 8 distinct winning
lines. How many distinct winning lines are there in a game played
on a 3 by 3 by 3 board, with 27 cells?
game
Favourite
Vector Gem Collector
14 to 18
Use vectors to collect as many gems as you can and bring them safely home!
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Secondary Live Problems and Recent Solutions
On this page, you can see Secondary problems that are currently open for solutions, as well as some recently solved problems.