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Which exact dilution ratios can you make using only 2 dilutions?
Match pairs of cards so that they have equivalent ratios.
A ladder 3m long rests against a wall with one end a short distance from its base. Between the wall and the base of a ladder is a garden storage box 1m tall and 1m high. What is the maximum. . . .
Use Excel to investigate the effect of translations around a number grid.
A group of interactive resources to support work on percentages Key Stage 4.
Use an interactive Excel spreadsheet to explore number in this exciting game!
Use an Excel spreadsheet to explore long multiplication.
Which dilutions can you make using 10ml pipettes and 100ml measuring cylinders?
Use an interactive Excel spreadsheet to investigate factors and multiples.
Which dilutions can you make using only 10ml pipettes?
A simple file for the Interactive whiteboard or PC screen, demonstrating equivalent fractions.
Meg and Mo still need to hang their marbles so that they balance, but this time the constraints are different. Use the interactivity to experiment and find out what they need to do.
Can you make a right-angled triangle on this peg-board by joining up three points round the edge?
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 set of resources for teachers offers interactive environments to support work on loci at Key Stage 4.
Use Excel to practise adding and subtracting fractions.
This resource contains a range of problems and interactivities on the theme of coordinates in two and three dimensions.
The interactive diagram has two labelled points, A and B. It is designed to be used with the problem "Cushion Ball"
This resource contains interactive problems to support work on number sequences at Key Stage 4.
Meg and Mo need to hang their marbles so that they balance. Use the interactivity to experiment and find out what they need to do.
This game challenges you to locate hidden triangles in The White Box by firing rays and observing where the rays exit the Box.
An Excel spreadsheet with an investigation.
Use an Excel to investigate division. Explore the relationships between the process elements using an interactive spreadsheet.
Mo has left, but Meg is still experimenting. Use the interactivity to help you find out how she can alter her pouch of marbles and still keep the two pouches balanced.
A collection of our favourite pictorial problems, one for each day of Advent.
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.
Can you fill in the mixed up numbers in this dilution calculation?
Can you break down this conversion process into logical steps?
Find the vertices of a pentagon given the midpoints of its sides.
Experiment with the interactivity of "rolling" regular polygons, and explore how the different positions of the red dot affects its speed at each stage.
A metal puzzle which led to some mathematical questions.
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.
A tool for generating random integers.
Experiment with the interactivity of "rolling" regular polygons, and explore how the different positions of the red dot affects the distance it travels at each stage.
Can you beat the computer in the challenging strategy game?
Two engines, at opposite ends of a single track railway line, set off towards one another just as a fly, sitting on the front of one of the engines, sets off flying along the railway line...
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. . . .
Prove Pythagoras Theorem using enlargements and scale factors.
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. . . .
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 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. . . .
Match the cards of the same value.
It is possible to identify a particular card out of a pack of 15 with the use of some mathematical reasoning. What is this reasoning and can it be applied to other numbers of cards?
The classic vector racing game brought to a screen near you.
Discover a handy way to describe reorderings and solve our anagram in the process.
Experiment with the interactivity of "rolling" regular polygons, and explore how the different positions of the red dot affects its vertical and horizontal movement at each stage.
Use the computer to model an epidemic. Try out public health policies to control the spread of the epidemic, to minimise the number of sick days and deaths.
An environment that simulates a protractor carrying a right- angled triangle of unit hypotenuse.