Filter by: Content type: ALL Problems Articles Games Stage: All Stage 1&2 Stage 2&3 Stage 3&4 Stage 4&5 Challenge level:
A brief video looking at how you can sometimes use symmetry to distinguish knots. Can you use this idea to investigate the differences between the granny knot and the reef knot?
Can you recreate this Indian screen pattern? Can you make up similar patterns of your own?
Can you fit the tangram pieces into the outline of these convex shapes?
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?
Can you fit the tangram pieces into the outlines of the watering can and man in a boat?
Here's a simple way to make a Tangram without any measuring or ruling lines.
Can you fit the tangram pieces into the outline of Little Ming playing the board game?
Where can you put the mirror across the square so that you can still "see" the whole square? How many different positions are possible?
Can you fit the tangram pieces into the outline of this telephone?
Can you fit the tangram pieces into the outline of this sports car?
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.
Can you fit the tangram pieces into the outline of this junk?
Can you fit the tangram pieces into the outline of Little Ming?
Can you fit the tangram pieces into the outline of Wai Ping, Wah Ming and Chi Wing?
Here is a version of the game 'Happy Families' for you to make and play.
Can you fit the tangram pieces into the outline of the rocket?
Can you fit the tangram pieces into the outlines of the workmen?
Can you fit the tangram pieces into the outline of Mai Ling?
Can you cut up a square in the way shown and make the pieces into a triangle?
What is the greatest number of squares you can make by overlapping three squares?
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 plaque design?
Can you fit the tangram pieces into the outlines of the candle and sundial?
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 Granma T?
Can you fit the tangram pieces into the outline of this goat and giraffe?
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?
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 outline of this brazier for roasting chestnuts?
Can you fit the tangram pieces into the outline of this shape. How would you describe it?
Follow these instructions to make a five-pointed snowflake from a square of paper.
Can you fit the tangram pieces into the outline of the child walking home from school?
Can you fit the tangram pieces into the outlines of these clocks?
Can you fit the tangram pieces into the outlines of these people?
Paint a stripe on a cardboard roll. Can you predict what will happen when it is rolled across a sheet of paper?
Our 2008 Advent Calendar has a 'Making Maths' activity for every day in the run-up to Christmas.
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?
It's hard to make a snowflake with six perfect lines of symmetry, but it's fun to try!
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?
Take a counter and surround it by a ring of other counters that MUST touch two others. How many are needed?
Can you make the most extraordinary, the most amazing, the most unusual patterns/designs from these triangles which are made in a special way?
In this challenge, you will work in a group to investigate circular fences enclosing trees that are planted in square or triangular arrangements.
How can you make a curve from straight strips of paper?
The challenge for you is to make a string of six (or more!) graded cubes.
Use the tangram pieces to make our pictures, or to design some of your own!