Can you hang weights in the right place to make the equaliser balance?

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

These interactive dominoes can be dragged around the screen.

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.

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

How many right angles can you make using two sticks?

Investigate which numbers make these lights come on. What is the smallest number you can find that lights up all the lights?

Use the number weights to find different ways of balancing the equaliser.

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

Use the interactivity to find out how many quarter turns the man must rotate through to look like each of the pictures.

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

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?

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?

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

An interactive activity for one to experiment with a tricky tessellation

Stop the Clock game for an adult and child. How can you make sure you always win this game?

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

Incey Wincey Spider game for an adult and child. Will Incey get to the top of the drainpipe?

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

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.

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

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....?

Work out the fractions to match the cards with the same amount of money.

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?

Can you work out how to balance this equaliser? You can put more than one weight on a hook.

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

Choose 13 spots on the grid. Can you work out the scoring system? What is the maximum possible score?

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?

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. . . .

Investigate the smallest number of moves it takes to turn these mats upside-down if you can only turn exactly three at a time.

Can you put the numbers from 1 to 15 on the circles so that no consecutive numbers lie anywhere along a continuous straight line?

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

This is a game for two players. Can you find out how to be the first to get to 12 o'clock?

Can you complete this jigsaw of the multiplication square?

Play this well-known game against the computer where each player is equally likely to choose scissors, paper or rock. Why not try the variations too?

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

Ben and his mum are planting garlic. Use the interactivity to help you find out how many cloves of garlic they might have had.

If you hang two weights on one side of this balance, in how many different ways can you hang three weights on the other side for it to be balanced?

If you have only four weights, where could you place them in order to balance this equaliser?

Imagine a wheel with different markings painted on it at regular intervals. Can you predict the colour of the 18th mark? The 100th mark?