Play countdown with vectors.
Play countdown with matrices
A tool for generating random integers.
This game challenges you to locate hidden triangles in The White Box by firing rays and observing where the rays exit the Box.
Can you give the coordinates of the vertices of the fifth point in the patterm on this 3D grid?
This resource contains a range of problems and interactivities on the theme of coordinates in two and three dimensions.
A group of interactive resources to support work on percentages Key Stage 4.
A collection of our favourite pictorial problems, one for each day of Advent.
An environment that enables you to investigate tessellations of regular polygons
The interactive diagram has two labelled points, A and B. It is designed to be used with the problem "Cushion Ball"
A mathematically themed crossword.
This set of resources for teachers offers interactive environments to support work on loci at Key Stage 4.
A metal puzzle which led to some mathematical questions.
Use an interactive Excel spreadsheet to explore number in this exciting game!
Here is a chance to play a fractions version of the classic Countdown Game.
Use Excel to investigate the effect of translations around a number grid.
Try this interactivity to familiarise yourself with the proof that the square root of 2 is irrational. Sort the steps of the proof into the correct order.
A simple file for the Interactive whiteboard or PC screen, demonstrating equivalent fractions.
Use Excel to explore multiplication of fractions.
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.
An Excel spreadsheet with an investigation.
Use an Excel spreadsheet to explore long multiplication.
Use an Excel to investigate division. Explore the relationships between the process elements using an interactive spreadsheet.
Use an interactive Excel spreadsheet to investigate factors and multiples.
Use Excel to practise adding and subtracting fractions.
A spherical balloon lies inside a wire frame. How much do you need to deflate it to remove it from the frame if it remains a sphere?
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.
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.
Six circles around a central circle make a flower. Watch the flower as you change the radii in this circle packing. Prove that with the given ratios of the radii the petals touch and fit perfectly.
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.
Place a red counter in the top left corner of a 4x4 array, which is covered by 14 other smaller counters, leaving a gap in the bottom right hand corner (HOME). What is the smallest number of moves. . . .
To avoid losing think of another very well known game where the patterns of play are similar.
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?
Can you beat Piggy in this simple dice game? Can you figure out Piggy's strategy, and is there a better one?
Practise your skills of proportional reasoning with this interactive haemocytometer.
A weekly challenge concerning prime numbers.
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.
Play a more cerebral countdown using complex numbers.
The classic vector racing game brought to a screen near you.
How good are you at estimating angles?
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. . . .
Mathmo is a revision tool for post-16 mathematics. It's great installed as a smartphone app, but it works well in pads and desktops and notebooks too. Give yourself a mathematical workout!
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?
Match the cards of the same value.
Make and prove a conjecture about the cyclic quadrilateral inscribed in a circle of radius r that has the maximum perimeter and the maximum area.
How good are you at finding the formula for a number pattern ?
This resource contains interactive problems to support work on number sequences at Key Stage 4.
Can you locate these values on this interactive logarithmic scale?
Can you beat the computer in the challenging strategy game?
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?