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Arrange the four number cards on the grid, according to the rules, to make a diagonal, vertical or horizontal line.

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Can you work out what step size to take to ensure you visit all the dots on the circle?

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A game in which players take it in turns to choose a number. Can you block your opponent?

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A collection of resources to support work on Factors and Multiples at Secondary level.

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Practise your number bonds whilst improving your memory in this matching pairs game.

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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?

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Practise your tables skills and try to beat your previous best score in this interactive game.

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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.

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Calculate the fractional amounts of money to match pairs of cards with the same value.

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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. . . .

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Here is a chance to play a fractions version of the classic Countdown Game.

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Use the Cuisenaire rods environment to investigate ratio. Can you find pairs of rods in the ratio 3:2?

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Use an Excel to investigate division. Explore the relationships between the process elements using an interactive spreadsheet.

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Train game for an adult and child. Who will be the first to make the train?

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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.

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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?

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Can you explain the strategy for winning this game with any target?

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A game for two people that can be played with pencils and paper. Combine your knowledge of coordinates with some strategic thinking.

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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.

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Here is a chance to play a version of the classic Countdown Game.

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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.

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Can you beat the computer in the challenging strategy game?

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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?

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Can you find the pairs that represent the same amount of money?

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Can you find a reliable strategy for choosing coordinates that will locate the treasure in the minimum number of guesses?

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Ahmed has some wooden planks to use for three sides of a rabbit run against the shed. What quadrilaterals would he be able to make with the planks of different lengths?

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A train building game for two players. Can you be the one to complete the train?

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Use Excel to explore multiplication of fractions.

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Can you complete this jigsaw of the multiplication square?

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Use Excel to investigate the effect of translations around a number grid.

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An Excel spreadsheet with an investigation.

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Watch this film carefully. Can you find a general rule for explaining when the dot will be this same distance from the horizontal axis?

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Use Excel to practise adding and subtracting fractions.

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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?

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Use an interactive Excel spreadsheet to investigate factors and multiples.

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Mr McGregor has a magic potting shed. Overnight, the number of plants in it doubles. He'd like to put the same number of plants in each of three gardens, planting one garden each day. Can he do it?

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Use an Excel spreadsheet to explore long multiplication.

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A simple file for the Interactive whiteboard or PC screen, demonstrating equivalent fractions.

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Use an interactive Excel spreadsheet to explore number in this exciting game!

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Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?

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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.

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Is it possible to place 2 counters on the 3 by 3 grid so that there is an even number of counters in every row and every column? How about if you have 3 counters or 4 counters or....?

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Try entering different sets of numbers in the number pyramids. How does the total at the top change?

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Triangular numbers can be represented by a triangular array of squares. What do you notice about the sum of identical triangle numbers?