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!
Twenty four games for the run-up to Christmas.
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?
Can you complete this jigsaw of the multiplication square?
Move just three of the circles so that the triangle faces in the
If you have only four weights, where could you place them in order
to balance this equaliser?
Match the halves.
Can you cover the camel with these pieces?
Can you work out how to balance this equaliser? You can put more
than one weight on a hook.
What happens when you try and fit the triomino pieces into these
Complete the squares - but be warned some are trickier than they
Can you see why 2 by 2 could be 5? Can you predict what 2 by 10
Use the clues to colour each square.
Imagine a wheel with different markings painted on it at regular
intervals. Can you predict the colour of the 18th mark? The 100th
Use the interactivity to find out how many quarter turns the man
must rotate through to look like each of the pictures.
In this activity, the computer chooses a times table and shifts it. Can you work out the table and the shift each time?
Hover your mouse over the counters to see which ones will be
removed. Click to remover them. The winner is the last one to
remove a counter. How you can make sure you win?
Incey Wincey Spider game for an adult and child. Will Incey get to the top of the drainpipe?
Play this well-known game against the computer where each player is
equally likely to choose scissors, paper or rock. Why not try the
Can you make a cycle of pairs that add to make a square number
using all the numbers in the box below, once and once only?
Choose a symbol to put into the number sentence.
An odd version of tic tac toe
Exchange the positions of the two sets of counters in the least possible number of moves
How many different rhythms can you make by putting two drums on the
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 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.
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 activity for one to experiment with a tricky tessellation
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?
Use the Cuisenaire rods environment to investigate ratio. Can you
find pairs of rods in the ratio 3:2? How about 9:6?
Take it in turns to make a triangle on the pegboard. Can you block your opponent?
Find out how we can describe the "symmetries" of this triangle and
investigate some combinations of rotating and flipping it.
Choose four of the numbers from 1 to 9 to put in the squares so that the differences between joined squares are odd.
A generic circular pegboard resource.
Choose the size of your pegboard and the shapes you can make. Can you work out the strategies needed to block your opponent?
Make one big triangle so the numbers that touch on the small triangles add to 10. You could use the interactivity to help you.
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?
Arrange the four number cards on the grid, according to the rules,
to make a diagonal, vertical or horizontal line.
A tetromino is made up of four squares joined edge to edge. Can
this tetromino, together with 15 copies of itself, be used to cover
an eight by eight chessboard?
Place the numbers from 1 to 9 in the squares below so that the difference between joined squares is odd. How many different ways can you do this?
Three beads are threaded on a circular wire and are coloured either red or blue. Can you find all four different combinations?
A game for 2 people that everybody knows. You can play with a
friend or online. If you play correctly you never lose!
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?
Here is a chance to play a version of the classic Countdown Game.
Choose 13 spots on the grid. Can you work out the scoring system? What is the maximum possible score?
Our 2008 Advent Calendar has a 'Making Maths' activity for every
day in the run-up to Christmas.
Place the numbers 1 to 10 in the circles so that each number is the
difference between the two numbers just below it.
A train building game for 2 players.
Place the numbers 1 to 6 in the circles so that each number is the
difference between the two numbers just below it.
The computer has made a rectangle and will tell you the number of spots it uses in total. Can you find out where the rectangle is?