Filter by: Content type: ALL Problems Articles Games Stage: All Stage 1&2 Stage 2&3 Stage 3&4 Stage 4&5 Challenge level:
Can you fit the tangram pieces into the outline of Little Ming?
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.
Can you fit the tangram pieces into the outlines of the lobster, yacht and cyclist?
Can you fit the tangram pieces into the outline of Mai Ling?
Can you fit the tangram pieces into the outline of Wai Ping, Wah Ming and Chi Wing?
Can you fit the tangram pieces into the outlines of the chairs?
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?
Complete the squares - but be warned some are trickier than they look!
Can you fit the tangram pieces into the outline of this sports car?
Sort the houses in my street into different groups. Can you do it in any other ways?
Can you sort these triangles into three different families and explain how you did it?
Can you fit the tangram pieces into the outline of the rocket?
Can you fit the tangram pieces into the outlines of the candle and sundial?
Can you fit the tangram pieces into the outline of the child walking home from school?
Can you fit the tangram pieces into the outline of this telephone?
Can you cover the camel with these pieces?
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!
Use your mouse to move the red and green parts of this disc. Can you make images which show the turnings described?
Can you fit the tangram pieces into the outline of Granma T?
What happens when you try and fit the triomino pieces into these two grids?
Investigate how the four L-shapes fit together to make an enlarged L-shape. You could explore this idea with other shapes too.
Can you fit the tangram pieces into the outlines of these clocks?
Can you fit the tangram pieces into the outline of this junk?
Can you fit the tangram pieces into the outlines of these people?
Can you fit the tangram pieces into the outline of this brazier for roasting chestnuts?
Can you fit the tangram pieces into the outline of Little Fung at the table?
Can you fit the tangram pieces into the outline of this goat and giraffe?
Can you fit the tangram pieces into the outline of this plaque design?
Can you fit the tangram pieces into the outline of the telescope and microscope?
Can you fit the tangram pieces into the outline of Little Ming playing the board game?
How many different triangles can you make on a circular pegboard that has nine pegs?
Take it in turns to make a triangle on the pegboard. Can you block your opponent?
Use the clues to colour each square.
Our 2008 Advent Calendar has a 'Making Maths' activity for every day in the run-up to Christmas.
What is the greatest number of squares you can make by overlapping three squares?
NRICH December 2006 advent calendar - a new tangram for each day in the run-up to Christmas.
Can you fit the tangram pieces into the outline of this shape. How would you describe it?
Can you fit the tangram pieces into the outlines of Mai Ling and Chi Wing?
Can you fit the tangram pieces into the outline of Little Ming and Little Fung dancing?
Can you fit the tangram pieces into the outline of these convex shapes?
Can you fit the tangram pieces into the outlines of the workmen?
Can you fit the tangram pieces into the outline of these rabbits?
Can you fit the tangram pieces into the outlines of the watering can and man in a boat?
How many times in twelve hours do the hands of a clock form a right angle? Use the interactivity to check your answers.
An interactive activity for one to experiment with a tricky tessellation
Exchange the positions of the two sets of counters in the least possible number of moves
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?
How many different rhythms can you make by putting two drums on the wheel?
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.