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?
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?
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!
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 see why 2 by 2 could be 5? Can you predict what 2 by 10
Can you make the green spot travel through the tube by moving the
yellow spot? Could you draw a tube that both spots would follow?
Incey Wincey Spider game for an adult and child. Will Incey get to the top of the drainpipe?
An interactive activity for one to experiment with a tricky tessellation
How many different rhythms can you make by putting two drums on the
How can the same pieces of the tangram make this bowl before and after it was chipped? Use the interactivity to try and work out what is going on!
Exchange the positions of the two sets of counters in the least possible number of moves
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 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. . . .
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.
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?
Three beads are threaded on a circular wire and are coloured either red or blue. Can you find all four different combinations?
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.
Play a dice game of chance
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.
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?
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?
Choose four of the numbers from 1 to 9 to put in the squares so that the differences between joined squares are odd.
Find out how we can describe the "symmetries" of this triangle and
investigate some combinations of rotating and flipping it.
Use the interactivity to find out how many quarter turns the man must rotate through to look like each of the pictures.
A generic circular pegboard resource.
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?
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?
Make one big triangle so the numbers that touch on the small triangles add to 10. You could use the interactivity to help you.
Investigate how the four L-shapes fit together to make an enlarged L-shape. You could explore this idea with other shapes too.
Use the information about Sally and her brother to find out how many children there are in the Brown family.
Move just three of the circles so that the triangle faces in the
Choose the size of your pegboard and the shapes you can make. Can you work out the strategies needed to block your opponent?
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?
How many right angles can you make using two sticks?
Place the numbers 1 to 10 in the circles so that each number is the
difference between the two numbers just below it.
Our 2008 Advent Calendar has a 'Making Maths' activity for every
day in the run-up to Christmas.
Place the numbers 1 to 6 in the circles so that each number is the
difference between the two numbers just below it.
Explore this interactivity and see if you can work out what it
does. Could you use it to estimate the area of a shape?
If you have only four weights, where could you place them in order
to balance this equaliser?
Twenty four games for the run-up to Christmas.
Use the clues to colour each square.
Choose a symbol to put into the number sentence.
Board Block game for two. Can you stop your partner from being able to make a shape on the board?
Stop the Clock game for an adult and child. How can you make sure you always win this game?
Train game for an adult and child. Who will be the first to make the train?
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?
Choose 13 spots on the grid. Can you work out the scoring system? What is the maximum possible score?
A train building game for 2 players.