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?
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.
Try entering different sets of numbers in the number pyramids. How does the total at the top change?
Can you explain the strategy for winning this game with any target?
Watch this film carefully. Can you find a general rule for explaining when the dot will be this same distance from the horizontal axis?
A simple file for the Interactive whiteboard or PC screen, demonstrating equivalent fractions.
The number of plants in Mr McGregor's magic potting shed increases overnight. He'd like to put the same number of plants in each of his gardens, planting one garden each day. How can he do it?
Use an interactive Excel spreadsheet to investigate factors and multiples.
Can you beat the computer in the challenging strategy game?
Use an Excel spreadsheet to explore long multiplication.
Use Excel to explore multiplication of fractions.
Use an interactive Excel spreadsheet to explore number in this exciting game!
Use Excel to investigate the effect of translations around a number grid.
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.
We can show that (x + 1)² = x² + 2x + 1 by considering the area of an (x + 1) by (x + 1) square. Show in a similar way that (x + 2)² = x² + 4x + 4
Try to stop your opponent from being able to split the piles of counters into unequal numbers. Can you find a strategy?
Use Excel to practise adding and subtracting fractions.
An Excel spreadsheet with an investigation.
Can you discover whether this is a fair game?
Use an Excel to investigate division. Explore the relationships between the process elements using an interactive spreadsheet.
This article gives you a few ideas for understanding the Got It! game and how you might find a winning strategy.
Do you know how to find the area of a triangle? You can count the squares. What happens if we turn the triangle on end? Press the button and see. Try counting the number of units in the triangle now. . . .
Here is a chance to play a version of the classic Countdown Game.
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.
There are nine teddies in Teddy Town - three red, three blue and three yellow. There are also nine houses, three of each colour. Can you put them on the map of Teddy Town according to the rules?
You have 4 red and 5 blue counters. How many ways can they be placed on a 3 by 3 grid so that all the rows columns and diagonals have an even number of red counters?
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. . . .
Can you spot the similarities between this game and other games you know? The aim is to choose 3 numbers that total 15.
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.
What are the coordinates of the coloured dots that mark out the tangram? Try changing the position of the origin. What happens to the coordinates now?
An interactive activity for one to experiment with a tricky tessellation
An interactive game for 1 person. You are given a rectangle with 50 squares on it. Roll the dice to get a percentage between 2 and 100. How many squares is this? Keep going until you get 100. . . .
A game to be played against the computer, or in groups. Pick a 7-digit number. A random digit is generated. What must you subract to remove the digit from your number? the first to zero wins.
A game for 1 or 2 people. Use the interactive version, or play with friends. Try to round up as many counters as possible.
A game for two people that can be played with pencils and paper. Combine your knowledge of coordinates with some strategic thinking.
A game for 2 people that everybody knows. You can play with a friend or online. If you play correctly you never lose!
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.
Three beads are threaded on a circular wire and are coloured either red or blue. Can you find all four different combinations?
A train building game for two players. Can you be the one to complete the train?
A game in which players take it in turns to choose a number. Can you block your opponent?
Train game for an adult and child. Who will be the first to make the train?
In this activity, the computer chooses a times table and shifts it. Can you work out the table and the shift each time?
The 2012 primary advent calendar features twenty-four of our posters, one for each day in the run-up to Christmas.
How good are you at estimating angles?
Choose 13 spots on the grid. Can you work out the scoring system? What is the maximum possible score?
Choose a symbol to put into the number sentence.
Here is a chance to play a fractions version of the classic Countdown Game.
An animation that helps you understand the game of Nim.
Imagine a wheel with different markings painted on it at regular intervals. Can you predict the colour of the 18th mark? The 100th mark?
Use the interactivity or play this dice game yourself. How could you make it fair?