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 beat Piggy in this simple dice game? Can you figure out
Piggy's strategy, and is there a better one?
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.
This game challenges you to locate hidden triangles in The White
Box by firing rays and observing where the rays exit the Box.
Help the bee to build a stack of blocks far enough to save his
friend trapped in the tower.
A collection of our favourite pictorial problems, one for each day
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 tool for generating random integers.
A metal puzzle which led to some mathematical questions.
The classic vector racing game brought to a screen near you.
An environment that enables you to investigate tessellations of
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 the interactivity or play this dice game yourself. How could
you make it fair?
Terry and Ali are playing a game with three balls. Is it fair that
Terry wins when the middle ball is red?
Play a dice game of chance
Cellular is an animation that helps you make geometric sequences
composed of square cells.
Try out the lottery that is played in a far-away land. What is the
chance of winning?
Can you find a reliable strategy for choosing coordinates that will locate the robber in the minimum number of guesses?
Explore this interactivity and see if you can work out what it
does. Could you use it to estimate the area of a shape?
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 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.
Play this well-known game against the computer where each player is
equally likely to choose scissors, paper or rock. Why not try the
Overlaying pentominoes can produce some effective patterns. Why not
use LOGO to try out some of the ideas suggested here?
Investigate how logic gates work in circuits.
Interactive game. Set your own level of challenge, practise your table skills and beat your previous best score.
Work out how to light up the single light. What's the rule?
A game for 1 person to play on screen. Practise your number bonds
whilst improving your memory
A simulation of target archery practice
There are three versions of this challenge. The idea is to change the colour of all the spots on the grid. Can you do it in fewer throws of the dice?
What shaped overlaps can you make with two circles which are the
same size? What shapes are 'left over'? What shapes can you make
when the circles are different sizes?
Try to stop your opponent from being able to split the piles of counters into unequal numbers. Can you find a strategy?
How many triangles can you make using sticks that are 3cm, 4cm and 5cm long?
Imagine a wheel with different markings painted on it at regular
intervals. Can you predict the colour of the 18th mark? The 100th
Use the information about Sally and her brother to find out how many children there are in the Brown family.
Hover your mouse over the counters to see which ones will be
removed. Click to remover them. The winner is the last one to
remove a counter. How you can make sure you win?
Three beads are threaded on a circular wire and are coloured either red or blue. Can you find all four different combinations?
Yasmin and Zach have some bears to share. Which numbers of bears
can they share so that there are none left over?
Arrange any number of counters from these 18 on the grid to make a
rectangle. What numbers of counters make rectangles? How many
different rectangles can you make with each number of counters?
The computer has made a rectangle and will tell you the number of spots it uses in total. Can you find out where the rectangle is?
Choose 13 spots on the grid. Can you work out the scoring system? What is the maximum possible score?
Can you match the mass and length or height of these things to
How many right angles can you make using two sticks?
Start by putting one million (1 000 000) into the display of your
calculator. Can you reduce this to 7 using just the 7 key and add,
subtract, multiply, divide and equals as many times as you like?
Use the interactivity to make this Islamic star and cross design.
Can you produce a tessellation of regular octagons with two
different types of triangle?
If you can post the triangle with either the blue or yellow colour face up, how many ways can it be posted altogether?
An interactive game to be played on your own or with friends.
Imagine you are having a party. Each person takes it in turns to
stand behind the chair where they will get the most chocolate.
A game for 1 or 2 people. Use the interactive version, or play with friends. Try to round up as many counters as possible.
You'll need two dice to play this game against a partner. Will Incey Wincey make it to the top of the drain pipe or the bottom of the drain pipe first?
A shape and space game for 2,3 or 4 players. Be the last person to be able to place a pentomino piece on the playing board. Play with card, or on the computer.