Use an interactive Excel spreadsheet to explore number in this
Use Excel to investigate the effect of translations around a number
Can you be the first to complete a row of three?
A metal puzzle which led to some mathematical questions.
A simple file for the Interactive whiteboard or PC screen,
demonstrating equivalent fractions.
Use an Excel spreadsheet to explore long multiplication.
Use Excel to explore multiplication of fractions.
An Excel spreadsheet with an investigation.
Use Excel to practise adding and subtracting fractions.
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. . . .
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.
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.
This article gives you a few ideas for understanding the Got It! game and how you might find a winning strategy.
Match pairs of cards so that they have equivalent ratios.
An environment that enables you to investigate tessellations of
Can you beat the computer in the challenging strategy game?
Can you make a right-angled triangle on this peg-board by joining
up three points round the edge?
Can you beat Piggy in this simple dice game? Can you figure out
Piggy's strategy, and is there a better one?
Overlaying pentominoes can produce some effective patterns. Why not
use LOGO to try out some of the ideas suggested here?
Match the cards of the same value.
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 an interactive Excel spreadsheet to investigate factors and
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.
Work out how to light up the single light. What's the rule?
This game challenges you to locate hidden triangles in The White
Box by firing rays and observing where the rays exit the Box.
A collection of our favourite pictorial problems, one for each day
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. . . .
Here is a chance to play a fractions version of the classic
A tool for generating random integers.
Use an Excel to investigate division. Explore the relationships
between the process elements using an interactive spreadsheet.
The classic vector racing game brought to a screen near you.
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.
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.
Each light in this interactivity turns on according to a rule. What
happens when you enter different numbers? Can you find the smallest
number that lights up all four lights?
When number pyramids have a sequence on the bottom layer, some interesting patterns emerge...
A game for two people, or play online. Given a target number, say 23, and a range of numbers to choose from, say 1-4, players take it in turns to add to the running total to hit their target.
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?
Can you find all the 4-ball shuffles?
Can you discover whether this is a fair game?
Can you find a relationship between the number of dots on the
circle and the number of steps that will ensure that all points are
Semi-regular tessellations combine two or more different regular polygons to fill the plane. Can you find all the semi-regular tessellations?
Find the frequency distribution for ordinary English, and use it to help you crack the code.
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 circle rolls around the outside edge of a square so that its circumference always touches the edge of the square. Can you describe the locus of the centre of the circle?
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.
Here is a solitaire type environment for you to experiment with. Which targets can you reach?
Can you work out which spinners were used to generate the frequency charts?
What can you say about the values of n that make $7^n + 3^n$ a multiple of 10? Are there other pairs of integers between 1 and 10 which have similar properties?
What are the areas of these triangles? What do you notice? Can you generalise to other "families" of triangles?