A game in which players take it in turns to turn up two cards. If
they can draw a triangle which satisfies both properties they win
the pair of cards. And a few challenging questions to follow...
A game in which players take it in turns to try to draw
quadrilaterals (or triangles) with particular properties. Is it
possible to fill the game grid?
A game for 2 or more people, based on the traditional card game
Rummy. Players aim to make two `tricks', where each trick has to
consist of a picture of a shape, a name that describes that shape,
and. . . .
How good are you at estimating angles?
A game that tests your understanding of remainders.
There are nasty versions of this dice game but we'll start with the nice ones...
A game in which players take it in turns to choose a number. Can you block your opponent?
The idea of this game is to add or subtract the two numbers on the dice and cover the result on the grid, trying to get a line of three. Are there some numbers that are good to aim for?
Collect as many diamonds as you can by drawing three straight lines.
Why not challenge a friend to play this transformation game?
Can you spot the similarities between this game and other games you know? The aim is to choose 3 numbers that total 15.
A game for two people, or play online. Given a target number, say 23, and a range of numbers to choose from, say 1-4, players take it in turns to add to the running total to hit their target.
Interactive game. Set your own level of challenge, practise your table skills and beat your previous best score.
Who said that adding, subtracting, multiplying and dividing
couldn't be fun?
Practise your diamond mining skills and your x,y coordination in this homage to Pacman.
Take turns to place a decimal number on the spiral. Can you get three consecutive numbers?
This is a game for two players. You will need some small-square
grid paper, a die and two felt-tip pens or highlighters. Players
take turns to roll the die, then move that number of squares in. . . .
A game for 2 players. Given an arrangement of matchsticks, players
take it is turns to remove a matchstick, along with all of the
matchsticks that touch it.
A simple game of patience which often comes out. Can you explain
Here is a machine with four coloured lights. Can you develop a strategy to work out the rules controlling each light?
A game for 2 people. Take turns placing a counter on the star. You win when you have completed a line of 3 in your colour.
Investigations based on an Indian game.
A game for 1 person to play on screen. Practise your number bonds
whilst improving your memory
Spiralling Decimals game for an adult and child. Can you get three decimals next to each other on the spiral before your partner?
This article explains the use of the idea of connectedness in networks, in two different ways, to bring into focus the basics of the game of Go, namely capture and territory.
Two sudokus in one. Challenge yourself to make the necessary
Four numbers on an intersection that need to be placed in the
surrounding cells. That is all you need to know to solve this
Follow-up to the February Game Rules of FEMTO.
A simple game for 2 players invented by John Conway. It is played
on a 3x3 square board with 9 counters that are black on one side
and white on the other.
A Sudoku based on clues that give the differences between adjacent cells.
A game for 2 players that can be played online. Players take it in turns to select a word from the 9 words given. The aim is to select all the occurrences of the same letter.
A game for 2 players
The game of go has a simple mechanism. This discussion of the principle of two eyes in go has shown that the game does not depend on equally clear-cut concepts.
A game for 2 players. Can be played online. One player has 1 red
counter, the other has 4 blue. The red counter needs to reach the
other side, and the blue needs to trap the red.
This pair of linked Sudokus matches letters with numbers and hides a seasonal greeting. Can you find it?
A game to make and play based on the number line.
A Sudoku with clues given as sums of entries.
An ordinary set of dominoes can be laid out as a 7 by 4 magic rectangle in which all the spots in all the columns add to 24, while those in the rows add to 42. Try it! Now try the magic square...
This sudoku requires you to have "double vision" - two Sudoku's for the price of one
Here is a solitaire type environment for you to experiment with. Which targets can you reach?
A Sudoku with clues as ratios.
Can you work out how to win this game of Nim? Does it matter if you go first or second?
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.
A Sudoku with a twist.
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. . . .
Everthing you have always wanted to do with dominoes! Some of these games are good for practising your mental calculation skills, and some are good for your reasoning skills.
This is a simple version of an ancient game played all over the world. It is also called Mancala. What tactics will increase your chances of winning?
Given the products of diagonally opposite cells - can you complete this Sudoku?