Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?
Try to stop your opponent from being able to split the piles of counters into unequal numbers. Can you find a strategy?
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....?
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?
Can you explain the strategy for winning this game with any target?
Use the interactivities to complete these Venn diagrams.
Can you put the numbers from 1 to 15 on the circles so that no consecutive numbers lie anywhere along a continuous straight line?
Watch this film carefully. Can you find a general rule for explaining when the dot will be this same distance from the horizontal axis?
These interactive dominoes can be dragged around the screen.
Here is a chance to play a version of the classic Countdown Game.
Investigate the smallest number of moves it takes to turn these mats upside-down if you can only turn exactly three at a time.
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?
Try entering different sets of numbers in the number pyramids. How does the total at the top change?
Can you complete this jigsaw of the multiplication square?
A card pairing game involving knowledge of simple ratio.
This article gives you a few ideas for understanding the Got It! game and how you might find a winning strategy.
What shaped overlaps can you make with two circles which are the same size? What shapes are 'left over'? What shapes can you make when the circles are different sizes?
Can you see why 2 by 2 could be 5? Can you predict what 2 by 10 will be?
Three beads are threaded on a circular wire and are coloured either red or blue. Can you find all four different combinations?
Use the interactivity to make this Islamic star and cross design. Can you produce a tessellation of regular octagons with two different types of triangle?
A generic circular pegboard resource.
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 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. . . .
An interactive activity for one to experiment with a tricky tessellation
A game for 2 people that everybody knows. You can play with a friend or online. If you play correctly you never lose!
Arrange the four number cards on the grid, according to the rules, to make a diagonal, vertical or horizontal line.
Use the Cuisenaire rods environment to investigate ratio. Can you find pairs of rods in the ratio 3:2? How about 9:6?
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?
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?
Interactive game. Set your own level of challenge, practise your table skills and beat your previous best score.
Use the interactivities to complete these Venn diagrams.
Place the numbers 1 to 10 in the circles so that each number is the difference between the two numbers just below it.
Train game for an adult and child. Who will be the first to make the train?
Place six toy ladybirds into the box so that there are two ladybirds in every column and every row.
A simulation of target archery practice
Can you put the numbers 1 to 8 into the circles so that the four calculations are correct?
Choose 13 spots on the grid. Can you work out the scoring system? What is the maximum possible score?
Use the interactivity or play this dice game yourself. How could you make it fair?
A game for 1 person to play on screen. Practise your number bonds whilst improving your memory
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?
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?
If you have only four weights, where could you place them in order to balance this equaliser?
A train building game for 2 players.
Can you find all the different ways of lining up these Cuisenaire rods?
A game for two people that can be played with pencils and paper. Combine your knowledge of coordinates with some strategic thinking.
Can you find a relationship between the number of dots on the circle and the number of steps that will ensure that all points are hit?
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.
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. . . .
How many times in twelve hours do the hands of a clock form a right angle? Use the interactivity to check your answers.