Can you complete this jigsaw of the 100 square?
You'll need two dice to play this game against a partner. Will Incey Wincey make it to the top of the drain pipe or the bottom of the drain pipe first?
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 complete this jigsaw of the multiplication square?
These interactive dominoes can be dragged around the screen.
Use the interactivity or play this dice game yourself. How could
you make it fair?
Try this interactive strategy game for 2
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?
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 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?
Can you put the 25 coloured tiles into the 5 x 5 square so that no
column, no row and no diagonal line have tiles of the same colour
How many times in twelve hours do the hands of a clock form a right
angle? Use the interactivity to check your answers.
Complete the squares - but be warned some are trickier than they
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
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 game for 1 person. Can you work out how the dice must be rolled from the start position to the finish? Play on line.
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 activity for one to experiment with a tricky tessellation
Move just three of the circles so that the triangle faces in the
Twenty four games for the run-up to Christmas.
A generic circular pegboard resource.
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?
Use the interactivities to complete these Venn diagrams.
Use the interactivity to find out how many quarter turns the man
must rotate through to look like each of the pictures.
Find out how we can describe the "symmetries" of this triangle and
investigate some combinations of rotating and flipping it.
A train building game for 2 players.
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.
Can you work out what is wrong with the cogs on a UK 2 pound coin?
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 make a triangle on the pegboard. Can you block your opponent?
Use the Cuisenaire rods environment to investigate ratio. Can you
find pairs of rods in the ratio 3:2? How about 9:6?
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!
A game for 1 or 2 people. Use the interactive version, or play with friends. Try to round up as many counters as possible.
Can you find just the right bubbles to hold your number?
Yasmin and Zach have some bears to share. Which numbers of bears
can they share so that there are none left over?
Try to stop your opponent from being able to split the piles of counters into unequal numbers. Can you find a 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 work out how to balance this equaliser? You can put more
than one weight on a hook.
Imagine a wheel with different markings painted on it at regular
intervals. Can you predict the colour of the 18th mark? The 100th
Can you see why 2 by 2 could be 5? Can you predict what 2 by 10
If you can post the triangle with either the blue or yellow colour face up, how many ways can it be posted altogether?
Work out the fractions to match the cards with the same amount of
Match the halves.
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?
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?
How many right angles can you make using two sticks?
Here are some rods that are different colours. How could I make a dark green rod using yellow and white rods?
Three beads are threaded on a circular wire and are coloured either red or blue. Can you find all four different combinations?