Triangle ABC has equilateral triangles drawn on its edges. Points P, Q and R are the centres of the equilateral triangles. What can you prove about the triangle PQR?
This set of resources for teachers offers interactive environments to support work on loci at Key Stage 4.
Use an Excel spreadsheet to explore long multiplication.
A simple file for the Interactive whiteboard or PC screen, demonstrating equivalent fractions.
Use an interactive Excel spreadsheet to investigate factors and multiples.
Use Excel to practise adding and subtracting fractions.
A collection of our favourite pictorial problems, one for each day of Advent.
An Excel spreadsheet with an investigation.
Use an interactive Excel spreadsheet to explore number in this exciting game!
A group of interactive resources to support work on percentages Key Stage 4.
Can you give the coordinates of the vertices of the fifth point in the patterm on this 3D grid?
Use Excel to explore multiplication of fractions.
An environment that enables you to investigate tessellations of regular polygons
This resource contains a range of problems and interactivities on the theme of coordinates in two and three dimensions.
A java applet that takes you through the steps needed to solve a Diophantine equation of the form Px+Qy=1 using Euclid's algorithm.
Use Excel to investigate the effect of translations around a number grid.
The interactive diagram has two labelled points, A and B. It is designed to be used with the problem "Cushion Ball"
Use an Excel to investigate division. Explore the relationships between the process elements using an interactive spreadsheet.
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.
Practise your skills of proportional reasoning with this interactive haemocytometer.
Discover a handy way to describe reorderings and solve our anagram in the process.
This resource contains interactive problems to support work on number sequences at Key Stage 4.
A metal puzzle which led to some mathematical questions.
Overlaying pentominoes can produce some effective patterns. Why not use LOGO to try out some of the ideas suggested here?
Show that for any triangle it is always possible to construct 3 touching circles with centres at the vertices. Is it possible to construct touching circles centred at the vertices of any polygon?
Match pairs of cards so that they have equivalent ratios.
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?
Match the cards of the same value.
This resources contains a series of interactivities designed to support work on transformations at Key Stage 4.
Help the bee to build a stack of blocks far enough to save his friend trapped in the tower.
Can you beat Piggy in this simple dice game? Can you figure out Piggy's strategy, and is there a better one?
A collection of resources to support work on Factors and Multiples at Secondary level.
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.
The classic vector racing game brought to a screen near you.
There are thirteen axes of rotational symmetry of a unit cube. Describe them all. What is the average length of the parts of the axes of symmetry which lie inside the cube?
An environment that simulates a protractor carrying a right- angled triangle of unit hypotenuse.
Two circles of equal radius touch at P. One circle is fixed whilst the other moves, rolling without slipping, all the way round. How many times does the moving coin revolve before returning to P?
Here is a chance to play a fractions version of the classic Countdown Game.
A right-angled isosceles triangle is rotated about the centre point of a square. What can you say about the area of the part of the square covered by the triangle as it rotates?
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. . . .
To avoid losing think of another very well known game where the patterns of play are similar.
How good are you at estimating angles?
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.
There are 27 small cubes in a 3 x 3 x 3 cube, 54 faces being visible at any one time. Is it possible to reorganise these cubes so that by dipping the large cube into a pot of paint three times you. . . .
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.
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?
Investigate how logic gates work in circuits.
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.
On the 3D grid a strange (and deadly) animal is lurking. Using the tracking system can you locate this creature as quickly as possible?