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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 rabbits?
Can you fit the tangram pieces into the outline of the telescope and microscope?
Can you fit the tangram pieces into the outlines of the workmen?
Can you fit the tangram pieces into the outlines of the candle and sundial?
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 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 rocket?
Move four sticks so there are exactly four triangles.
Can you cut up a square in the way shown and make the pieces into a triangle?
Can you fit the tangram pieces into the outline of Little Ming?
Here is a version of the game 'Happy Families' for you to make and play.
Paint a stripe on a cardboard roll. Can you predict what will happen when it is rolled across a sheet of paper?
Can you fit the tangram pieces into the outline of Mai Ling?
Can you fit the tangram pieces into the outlines of the chairs?
Can you fit the tangram pieces into the outlines of the lobster, yacht and cyclist?
Here's a simple way to make a Tangram without any measuring or ruling lines.
Can you make the birds from the egg tangram?
NRICH December 2006 advent calendar - a new tangram for each day in the run-up to Christmas.
We can cut a small triangle off the corner of a square and then fit the two pieces together. Can you work out how these shapes are made from the two pieces?
Can you put these shapes in order of size? Start with the smallest.
Our 2008 Advent Calendar has a 'Making Maths' activity for every day in the run-up to Christmas.
Can you split each of the shapes below in half so that the two parts are exactly the same?
Kaia is sure that her father has worn a particular tie twice a week in at least five of the last ten weeks, but her father disagrees. Who do you think is right?
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 these people?
Can you fit the tangram pieces into the outlines of these clocks?
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 Little Fung at the table?
Can you fit the tangram pieces into the outline of Little Ming playing the board game?
Can you fit the tangram pieces into the outline of this junk?
Can you fit the tangram pieces into the outline of this telephone?
What is the greatest number of squares you can make by overlapping three squares?
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 these convex shapes?
Can you fit the tangram pieces into the outlines of the watering can and man in a boat?
Can you fit the tangram pieces into the outline of Granma T?
Have a look at what happens when you pull a reef knot and a granny knot tight. Which do you think is best for securing things together? Why?
Have you ever tried tessellating capital letters? Have a look at these examples and then try some for yourself.
Can you fit the tangram pieces into the outline of this sports car?
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?
This practical problem challenges you to create shapes and patterns with two different types of triangle. You could even try overlapping them.
These pictures show squares split into halves. Can you find other ways?
Looking at the picture of this Jomista Mat, can you decribe what you see? Why not try and make one yourself?
Make a chair and table out of interlocking cubes, making sure that the chair fits under the table!
Can you make five differently sized squares from the tangram pieces?
Which of the following cubes can be made from these nets?