Use the number weights to find different ways of balancing the equaliser.
Can you hang weights in the right place to make the equaliser balance?
This was a problem for our birthday website. Can you use four of these pieces to form a square? How about making a square with all five pieces?
How many right angles can you make using two sticks?
What does the overlap of these two shapes look like? Try picturing it in your head and then use the interactivity to test your prediction.
Take it in turns to make a triangle on the pegboard. Can you block your opponent?
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?
Can you sort these triangles into three different families and explain how you did it?
Can you find just the right bubbles to hold your number?
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?
If there are 3 squares in the ring, can you place three different numbers in them so that their differences are odd? Try with different numbers of squares around the ring. What do you notice?
Match the halves.
Imagine a wheel with different markings painted on it at regular intervals. Can you predict the colour of the 18th mark? The 100th mark?
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?
A variant on the game Alquerque
Use the interactivity to find out how many quarter turns the man must rotate through to look like each of the pictures.
Take it in turns to place a domino on the grid. One to be placed horizontally and the other vertically. Can you make it impossible for your opponent to play?
A game for 2 people that everybody knows. You can play with a friend or online. If you play correctly you never lose!
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.
An odd version of tic tac toe
Complete the squares - but be warned some are trickier than they look!
Can you complete this jigsaw of the multiplication square?
Move just three of the circles so that the triangle faces in the opposite direction.
A generic circular pegboard resource.
If you can post the triangle with either the blue or yellow colour face up, how many ways can it be posted altogether?
These interactive dominoes can be dragged around the screen.
Stop the Clock game for an adult and child. How can you make sure you always win this game?
Incey Wincey Spider game for an adult and child. Will Incey get to the top of the drainpipe?
This is a game for two players. Can you find out how to be the first to get to 12 o'clock?
Twenty four games for the run-up to Christmas.
If you have only four weights, where could you place them in order to balance this equaliser?
In this activity, the computer chooses a times table and shifts it. Can you work out the table and the shift each time?
Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?
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.
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.
A game for 1 or 2 people. Use the interactive version, or play with friends. Try to round up as many counters as possible.
Play a dice game of chance
Can you fit the tangram pieces into the outline of the child walking home from school?
Can you fit the tangram pieces into the outlines of the lobster, yacht and cyclist?
Can you fit the tangram pieces into the outlines of the chairs?
A shape and space game for 2,3 or 4 players. Be the last person to be able to place a pentomino piece on the playing board. Play with card, or on the computer.
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. . . .
Board Block game for two. Can you stop your partner from being able to make a shape on the board?
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?
Starting with the number 180, take away 9 again and again, joining up the dots as you go. Watch out - don't join all the dots!
Make one big triangle so the numbers that touch on the small triangles add to 10.
Choose the size of your pegboard and the shapes you can make. Can you work out the strategies needed to block your opponent?
How many times in twelve hours do the hands of a clock form a right angle? Use the interactivity to check your answers.
Exchange the positions of the two sets of counters in the least possible number of moves