What shapes should Elly cut out to make a witch's hat? How can she make a taller hat?
Using these kite and dart templates, you could try to recreate part
of Penrose's famous tessellation or design one yourself.
What do these two triangles have in common? How are they related?
Follow these instructions to make a three-piece and/or seven-piece
Make a clinometer and use it to help you estimate the heights of
Learn how to draw circles using Logo. Wait a minute! Are they really circles? If not what are they?
This activity investigates how you might make squares and pentominoes from Polydron.
Make an equilateral triangle by folding paper and use it to make
patterns of your own.
Make a cube with three strips of paper. Colour three faces or use
the numbers 1 to 6 to make a die.
Make a mobius band and investigate its properties.
How can you make a curve from straight strips of paper?
Logo helps us to understand gradients of lines and why Muggles Magic is not magic but mathematics. See the problem Muggles magic.
Are all the possible combinations of two shapes included in this
set of 27 cards? How do you know?
Have a go at drawing these stars which use six points drawn around
a circle. Perhaps you can create your own designs?
Did you know mazes tell stories? Find out more about mazes and make
one of your own.
Learn about Pen Up and Pen Down in Logo
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.
Surprise your friends with this magic square trick.
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?
Make a ball from triangles!
This is a simple paper-folding activity that gives an intriguing result which you can then investigate further.
Arrange your fences to make the largest rectangular space you can. Try with four fences, then five, then six etc.
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?
These practical challenges are all about making a 'tray' and covering it with paper.
How is it possible to predict the card?
Use the lines on this figure to show how the square can be divided into 2 halves, 3 thirds, 6 sixths and 9 ninths.
More Logo for beginners. Learn to calculate exterior angles and draw regular polygons using procedures and variables.
An activity making various patterns with 2 x 1 rectangular tiles.
Ideas for practical ways of representing data such as Venn and
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.
Can Jo make a gym bag for her trainers from the piece of fabric she has?
Design and construct a prototype intercooler which will satisfy agreed quality control constraints.
Make a cube out of straws and have a go at this practical
Build a scaffold out of drinking-straws to support a cup of water
Write a Logo program, putting in variables, and see the effect when you change the variables.
How do you know if your set of dominoes is complete?
What happens when a procedure calls itself?
Here's a simple way to make a Tangram without any measuring or
If you'd like to know more about Primary Maths Masterclasses, this
is the package to read! Find out about current groups in your
region or how to set up your own.
A description of how to make the five Platonic solids out of paper.
Follow the diagrams to make this patchwork piece, based on an
octagon in a square.
Looking at the picture of this Jomista Mat, can you decribe what
you see? Why not try and make one yourself?
This practical activity involves measuring length/distance.
I start with a red, a green and a blue marble. I can trade any of my marbles for two others, one of each colour. Can I end up with five more blue marbles than red after a number of such trades?
This practical problem challenges you to create shapes and patterns
with two different types of triangle. You could even try
Using different numbers of sticks, how many different triangles are
you able to make? Can you make any rules about the numbers of
sticks that make the most triangles?
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 make the birds from the egg tangram?