Follow these instructions to make a three-piece and/or seven-piece tangram.
Make a clinometer and use it to help you estimate the heights of tall objects.
Logo helps us to understand gradients of lines and why Muggles Magic is not magic but mathematics. See the problem Muggles magic.
Arrange your fences to make the largest rectangular space you can. Try with four fences, then five, then six etc.
More Logo for beginners. Learn to calculate exterior angles and draw regular polygons using procedures and variables.
Make an equilateral triangle by folding paper and use it to make patterns of your own.
Turn through bigger angles and draw stars with Logo.
This is the second in a twelve part introduction to Logo for beginners. In this part you learn to draw polygons.
It might seem impossible but it is possible. How can you cut a playing card to make a hole big enough to walk through?
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.
Make some celtic knot patterns using tiling techniques
Using these kite and dart templates, you could try to recreate part of Penrose's famous tessellation or design one yourself.
Make a cube with three strips of paper. Colour three faces or use the numbers 1 to 6 to make a die.
Make a ball from triangles!
Surprise your friends with this magic square trick.
Make a spiral mobile.
Learn to write procedures and build them into Logo programs. Learn to use variables.
Time for a little mathemagic! Choose any five cards from a pack and show four of them to your partner. How can they work out the fifth?
Can you puzzle out what sequences these Logo programs will give? Then write your own Logo programs to generate sequences.
How is it possible to predict the card?
Have a go at drawing these stars which use six points drawn around a circle. Perhaps you can create your own designs?
You could use just coloured pencils and paper to create this design, but it will be more eye-catching if you can get hold of hammer, nails and string.
Write a Logo program, putting in variables, and see the effect when you change the variables.
Learn about Pen Up and Pen Down in Logo
Did you know mazes tell stories? Find out more about mazes and make one of your own.
In this article for teachers, Bernard uses some problems to suggest that once a numerical pattern has been spotted from a practical starting point, going back to the practical can help explain. . . .
Exploring balance and centres of mass can be great fun. The resulting structures can seem impossible. Here are some images to encourage you to experiment with non-breakable objects of your own.
More Logo for beginners. Now learn more about the REPEAT command.
Galileo, a famous inventor who lived about 400 years ago, came up with an idea similar to this for making a time measuring instrument. Can you turn your pendulum into an accurate minute timer?
A game to make and play based on the number line.
How can you make a curve from straight strips of paper?
What shape and size of drinks mat is best for flipping and catching?
How many differently shaped rectangles can you build using these equilateral and isosceles triangles? Can you make a square?
Design and construct a prototype intercooler which will satisfy agreed quality control constraints.
Can you describe what happens in this film?
This part introduces the use of Logo for number work. Learn how to use Logo to generate sequences of numbers.
Draw whirling squares and see how Fibonacci sequences and golden rectangles are connected.
Follow these instructions to make a five-pointed snowflake from a square of paper.
Here are some ideas to try in the classroom for using counters to investigate number patterns.
It's hard to make a snowflake with six perfect lines of symmetry, but it's fun to try!
Learn how to draw circles using Logo. Wait a minute! Are they really circles? If not what are they?
Build a scaffold out of drinking-straws to support a cup of water
This article for students gives some instructions about how to make some different braids.
Here's a simple way to make a Tangram without any measuring or ruling lines.
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?
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?
A description of how to make the five Platonic solids out of paper.
What shapes can you make by folding an A4 piece of paper?
Ideas for practical ways of representing data such as Venn and Carroll diagrams.