This is a game for two players. Can you find out how to be the first to get to 12 o'clock?
Stop the Clock game for an adult and child. How can you make sure you always win this game?
Try to stop your opponent from being able to split the piles of counters into unequal numbers. Can you find a strategy?
Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?
Here is a chance to play a version of the classic Countdown Game.
A train building game for two players. Can you be the one to complete the train?
Can you match the halves in this interactive game?
Calculate the fractional amounts of money to match pairs of cards with the same value.
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....?
Imagine a wheel with different markings painted on it at regular intervals. Can you predict the colour of the 18th mark? The 100th mark?
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 card pairing game involving knowledge of simple ratio.
Arrange the four number cards on the grid, according to the rules, to make a diagonal, vertical or horizontal line.
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.
An interactive activity for one to experiment with a tricky tessellation
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.
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.
An odd version of tic tac toe
A game for two people that can be played with pencils and paper. Combine your knowledge of coordinates with some strategic thinking.
Can you complete this jigsaw of the multiplication square?
Investigate the smallest number of moves it takes to turn these mats upside-down if you can only turn exactly three at a time.
Train game for an adult and child. Who will be the first to make the train?
Add or subtract the two numbers on the spinners and try to complete a row of three. Are there some numbers that are good to aim for?
Practise your tables skills and try to beat your previous best score in this interactive game.
Practise your number bonds whilst improving your memory in this matching pairs game.
In this activity, the computer chooses a times table and shifts it. Can you work out the table and the shift each time?
How good are you at estimating angles?
Seeing Squares game for an adult and child. Can you come up with a way of always winning this game?
Three beads are threaded on a circular wire and are coloured either red or blue. Can you find all four different combinations?
First Connect Three game for an adult and child. Use the dice numbers and either addition or subtraction to get three numbers in a straight line.
The 2012 primary advent calendar features twenty-four of our posters, one for each day in the run-up to Christmas.
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?
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.
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?
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?
Investigate which numbers make these lights come on. What is the smallest number you can find that lights up all the lights?
Here are some rods that are different colours. How could I make a yellow rod using white and red rods?
Use the interactivity to help get a feel for this problem and to find out all the possible ways the balls could land.
How many trains can you make which are the same length as Matt's and Katie's, using rods that are identical?
Choose 13 spots on the grid. Can you work out the scoring system? What is the maximum possible score?
Place the numbers 1 to 6 in the circles so that each number is the difference between the two numbers just below it.
Place the numbers 1 to 10 in the circles so that each number is the difference between the two numbers just below it.
Use the clues to colour each square.
Place six toy ladybirds into the box so that there are two ladybirds in every column and every row.
Choose a symbol to put into the number sentence.
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?
This 100 square jigsaw is written in code. It starts with 1 and ends with 100. Can you build it up?
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 article gives you a few ideas for understanding the Got It! game and how you might find a winning strategy.