Can you put the 25 coloured tiles into the 5 x 5 square so that no column, no row and no diagonal line have tiles of the same colour in them?
Given the nets of 4 cubes with the faces coloured in 4 colours, build a tower so that on each vertical wall no colour is repeated, that is all 4 colours appear.
Match pairs of cards so that they have equivalent ratios.
Square It game for an adult and child. Can you come up with a way of always winning this game?
A simple file for the Interactive whiteboard or PC screen,
demonstrating equivalent fractions.
Use an interactive Excel spreadsheet to explore number in this
Use Excel to investigate the effect of translations around a number
Here is a chance to play a fractions version of the classic
Use an Excel spreadsheet to explore long multiplication.
An Excel spreadsheet with an investigation.
A metal puzzle which led to some mathematical questions.
Use an interactive Excel spreadsheet to investigate factors and
Use Excel to practise adding and subtracting fractions.
Can you beat the computer in the challenging strategy game?
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
Use Excel to explore multiplication of fractions.
Can you beat Piggy in this simple dice game? Can you figure out
Piggy's strategy, and is there a better one?
Can you make a right-angled triangle on this peg-board by joining
up three points round the edge?
An environment that enables you to investigate tessellations of
Match the cards of the same value.
A collection of our favourite pictorial problems, one for each day
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 collection of resources to support work on Factors and Multiples at Secondary level.
Help the bee to build a stack of blocks far enough to save his
friend trapped in the tower.
A simple spinner that is equally likely to land on Red or Black. Useful if tossing a coin, dropping it, and rummaging about on the floor have lost their appeal. Needs a modern browser; if IE then at. . . .
This game challenges you to locate hidden triangles in The White
Box by firing rays and observing where the rays exit the Box.
A tool for generating random integers.
The classic vector racing game brought to a screen near you.
Use an Excel to investigate division. Explore the relationships
between the process elements using an interactive spreadsheet.
Start with any number of counters in any number of piles. 2 players
take it in turns to remove any number of counters from a single
pile. The winner is the player to take the last counter.
Can you be the first to complete a row of three?
Use this animation to experiment with lotteries. Choose how many
balls to match, how many are in the carousel, and how many draws to
make at once.
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.
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.
Can you set the logic gates so that the number of bulbs which are on is the same as the number of switches which are on?
Place six toy ladybirds into the box so that there are two ladybirds in every column and every row.
Can you fit the tangram pieces into the outline of Little Ming?
There are nine teddies in Teddy Town - three red, three blue and three yellow. There are also nine houses, three of each colour. Can you put them on the map of Teddy Town according to the rules?
Can you discover whether this is a fair game?
First Connect Three game for an adult and child. Use the dice numbers and either addition or subtraction to get three numbers in a straight line.
Euler discussed whether or not it was possible to stroll around Koenigsberg crossing each of its seven bridges exactly once. Experiment with different numbers of islands and bridges.
This interactivity invites you to make conjectures and explore
probabilities of outcomes related to two independent events.
Practise your diamond mining skills and your x,y coordination in this homage to Pacman.
Triangle numbers can be represented by a triangular array of squares. What do you notice about the sum of identical triangle numbers?
An activity based on the game 'Pelmanism'. Set your own level of challenge and beat your own previous best score.
A and B are two interlocking cogwheels having p teeth and q teeth respectively. One tooth on B is painted red. Find the values of p and q for which the red tooth on B contacts every gap on the. . . .
Interactive game. Set your own level of challenge, practise your table skills and beat your previous best score.
Use the interactivity to play two of the bells in a pattern. How do
you know when it is your turn to ring, and how do you know which
bell to ring?
This was a problem for our birthday website. Can you use four of these pieces to form a square? How about making a square with all five pieces?
Cellular is an animation that helps you make geometric sequences composed of square cells.