The computer starts with all the lights off, but then clicks 3, 4
or 5 times at random, leaving some lights on. Can you switch them
We think this 3x3 version of the game is often harder than the 5x5 version. Do you agree? If so, why do you think that might be?
An interactive game for 1 person. You are given a rectangle with 50 squares on it. Roll the dice to get a percentage between 2 and 100. How many squares is this? Keep going until you get 100 percent.
This article, the second in the series, looks at some different types of games and the sort of mathematical thinking they can develop.
Basic strategy games are particularly suitable as starting points
for investigations. Players instinctively try to discover a winning
strategy, and usually the best way to do this is to analyse the
outcomes of series of 'moves'. With a little encouragement from the
teacher, a mathematical investigation is born.
A game for 1 person to play on screen. Practise your number bonds
whilst improving your memory
Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a square.
Use the tangram pieces to make our pictures, or to design some of
Interactive game. Set your own level of challenge, practise your table skills and beat your previous best score.
Can you work out how to win this game of Nim? Does it matter if you go first or second?
A game to make and play based on the number line.
Advent Calendar 2010 - a mathematical game for every day during the
run-up to Christmas.
This article for teachers describes several games, found on the
site, all of which have a related structure that can be used to
develop the skills of strategic planning.
The aim of the game is to slide the green square from the top right
hand corner to the bottom left hand corner in the least number of
A game to be played against the computer, or in groups. Pick a 7-digit number. A random digit is generated. What must you subract to remove the digit from your number? the first to zero wins.