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These are pictures of the sea defences at New Brighton. Can you work out what a basic shape might be in both images of the sea wall and work out a way they might fit together?
What is the greatest number of squares you can make by overlapping three squares?
Use the tangram pieces to make our pictures, or to design some of your own!
A game to make and play based on the number line.
Can you fit the tangram pieces into the outlines of Mai Ling and Chi Wing?
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 the lobster, yacht and cyclist?
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 Ming and Little Fung dancing?
Can you fit the tangram pieces into the outlines of the chairs?
Can you fit the tangram pieces into the outline of the telescope and microscope?
Surprise your friends with this magic square trick.
Have you noticed that triangles are used in manmade structures? Perhaps there is a good reason for this? 'Test a Triangle' and see how rigid triangles are.
Make a mobius band and investigate its properties.
Follow these instructions to make a three-piece and/or seven-piece tangram.
Did you know mazes tell stories? Find out more about mazes and make one of your own.
What is the greatest number of counters you can place on the grid below without four of them lying at the corners of a square?
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?
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 these rabbits?
Can you fit the tangram pieces into the outline of this telephone?
This practical problem challenges you to make quadrilaterals with a loop of string. You'll need some friends to help!
This problem invites you to build 3D shapes using two different triangles. Can you make the shapes from the pictures?
What do these two triangles have in common? How are they related?
Exploring and predicting folding, cutting and punching holes and making spirals.
Make a cube out of straws and have a go at this practical challenge.
Can you put these shapes in order of size? Start with the smallest.
What are the next three numbers in this sequence? Can you explain why are they called pyramid numbers?
What is the largest number of circles we can fit into the frame without them overlapping? How do you know? What will happen if you try the other shapes?
How can you make a curve from straight strips of paper?
Our 2008 Advent Calendar has a 'Making Maths' activity for every day in the run-up to Christmas.
These pictures show squares split into halves. Can you find other ways?
Use the lines on this figure to show how the square can be divided into 2 halves, 3 thirds, 6 sixths and 9 ninths.
Ideas for practical ways of representing data such as Venn and Carroll diagrams.
Can you fit the tangram pieces into the outline of this junk?
What happens to the area of a square if you double the length of the sides? Try the same thing with rectangles, diamonds and other shapes. How do the four smaller ones fit into the larger one?
Have a go at drawing these stars which use six points drawn around a circle. Perhaps you can create your own designs?
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?
Looking at the picture of this Jomista Mat, can you decribe what you see? Why not try and make one yourself?
Are all the possible combinations of two shapes included in this set of 27 cards? How do you know?
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.