Can you find a reliable strategy for choosing coordinates that will locate the robber in the minimum number of guesses?
Can you beat the computer in the challenging strategy game?
Help the bee to build a stack of blocks far enough to save his friend trapped in the tower.
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 Excel to investigate the effect of translations around a number grid.
Match the cards of the same value.
Use an interactive Excel spreadsheet to investigate factors and multiples.
Can you beat Piggy in this simple dice game? Can you figure out Piggy's strategy, and is there a better one?
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.
A collection of resources to support work on Factors and Multiples at Secondary level.
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.
Use Excel to explore multiplication of fractions.
Use Excel to practise adding and subtracting fractions.
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 moves.
An Excel spreadsheet with an investigation.
Use an Excel spreadsheet to explore long multiplication.
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?
Use an interactive Excel spreadsheet to explore number in this exciting game!
A simple file for the Interactive whiteboard or PC screen, demonstrating equivalent fractions.
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?
A metal puzzle which led to some mathematical questions.
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.
Match pairs of cards so that they have equivalent ratios.
Here is a chance to play a fractions version of the classic Countdown Game.
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.
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. . . .
Can you locate the lost giraffe? Input coordinates to help you search and find the giraffe in the fewest guesses.
Use an Excel to investigate division. Explore the relationships between the process elements using an interactive spreadsheet.
A collection of our favourite pictorial problems, one for each day of Advent.
How good are you at estimating angles?
An environment that enables you to investigate tessellations of regular polygons
Can you be the first to complete a row of three?
When number pyramids have a sequence on the bottom layer, some interesting patterns emerge...
Practise your diamond mining skills and your x,y coordination in this homage to Pacman.
Investigate how logic gates work in circuits.
Draw some isosceles triangles with an area of $9$cm$^2$ and a vertex at (20,20). If all the vertices must have whole number coordinates, how many is it possible to draw?
Imagine picking up a bow and some arrows and attempting to hit the target a few times. Can you work out the settings for the sight that give you the best chance of gaining a high score?
Carry out some time trials and gather some data to help you decide on the best training regime for your rowing crew.
Try entering different sets of numbers in the number pyramids. How does the total at the top change?
A tilted square is a square with no horizontal sides. Can you devise a general instruction for the construction of a square when you are given just one of its sides?
Cellular is an animation that helps you make geometric sequences composed of square cells.
Can you discover whether this is a fair game?
What is the relationship between the angle at the centre and the angles at the circumference, for angles which stand on the same arc? Can you prove it?
Can you make a right-angled triangle on this peg-board by joining up three points round the edge?
Learn how to use the Shuffles interactivity by running through these tutorial demonstrations.
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. . . .
These formulae are often quoted, but rarely proved. In this article, we derive the formulae for the volumes of a square-based pyramid and a cone, using relatively simple mathematical concepts.
You can move the 4 pieces of the jigsaw and fit them into both outlines. Explain what has happened to the missing one unit of area.
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.