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

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.

A game to make and play based on the number line.

A game for 2 people that everybody knows. You can play with a friend or online. If you play correctly you never lose!

Collect as many diamonds as you can by drawing three straight lines.

Use the tangram pieces to make our pictures, or to design some of your own!

The idea of this game is to add or subtract the two numbers on the dice and cover the result on the grid, trying to get a line of three. Are there some numbers that are good to aim for?

Factors and Multiples game for an adult and child. How can you make sure you win this game?

A game in which players take it in turns to turn up two cards. If they can draw a triangle which satisfies both properties they win the pair of cards. And a few challenging questions to follow...

A game in which players take it in turns to try to draw quadrilaterals (or triangles) with particular properties. Is it possible to fill the game grid?

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. . . .

Interactive game. Set your own level of challenge, practise your table skills and beat your previous best score.

A game for 2 or more people, based on the traditional card game Rummy. Players aim to make two `tricks', where each trick has to consist of a picture of a shape, a name that describes that shape, and. . . .

A game for 2 players. Given an arrangement of matchsticks, players take it is turns to remove a matchstick, along with all of the matchsticks that touch it.

Can you spot the similarities between this game and other games you know? The aim is to choose 3 numbers that total 15.

A game for 2 people using a pack of cards Turn over 2 cards and try to make an odd number or a multiple of 3.

Two sudokus in one. Challenge yourself to make the necessary connections.

Practise your diamond mining skills and your x,y coordination in this homage to Pacman.

A game for 2 people that can be played on line or with pens and paper. Combine your knowledege of coordinates with your skills of strategic thinking.

Here is a solitaire type environment for you to experiment with. Which targets can you reach?

The game uses a 3x3 square board. 2 players take turns to play, either placing a red on an empty square, or changing a red to orange, or orange to green. The player who forms 3 of 1 colour in a line. . . .

A simple game of patience which often comes out. Can you explain why?

Can you make the birds from the egg tangram?

A game for 1 or 2 people. Use the interactive version, or play with friends. Try to round up as many counters as possible.

This pair of linked Sudokus matches letters with numbers and hides a seasonal greeting. Can you find it?

A Sudoku that uses transformations as supporting clues.

An interactive activity for one to experiment with a tricky tessellation

This second Sudoku article discusses "Corresponding Sudokus" which are pairs of Sudokus with terms that can be matched using a substitution rule.

Take turns to place a decimal number on the spiral. Can you get three consecutive numbers?

A game for 1 person to play on screen. Practise your number bonds whilst improving your memory

Try to stop your opponent from being able to split the piles of counters into unequal numbers. Can you find a strategy?

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

Two sudokus in one. Challenge yourself to make the necessary connections.

Here is a machine with four coloured lights. Can you develop a strategy to work out the rules controlling each light?

A game that tests your understanding of remainders.

This sudoku requires you to have "double vision" - two Sudoku's for the price of one

Spiralling Decimals game for an adult and child. Can you get three decimals next to each other on the spiral before your partner?

A game for 2 or more players with a pack of cards. Practise your skills of addition, subtraction, multiplication and division to hit the target score.

Board Block Challenge game for an adult and child. Can you prevent your partner from being able to make a shape?

A game for 2 or more people. Starting with 100, subratct a number from 1 to 9 from the total. You score for making an odd number, a number ending in 0 or a multiple of 6.

Basic strategy games are particularly suitable as starting points for investigations. Players instinctively try to discover a winning strategy, and usually the best way to do this is to analyse. . . .

This is a challenging game of strategy for two players with many interesting variations.

A game for two or more players that uses a knowledge of measuring tools. Spin the spinner and identify which jobs can be done with the measuring tool shown.

Board Block game for two. Can you stop your partner from being able to make a shape on the board?