Make a chair and table out of interlocking cubes, making sure that the chair fits under the table!
You'll need a collection of cups for this activity.
We have a box of cubes, triangular prisms, cones, cuboids,
cylinders and tetrahedrons. Which of the buildings would fall down
if we tried to make them?
Using a loop of string stretched around three of your fingers, what
different triangles can you make? Draw them and sort them into
For this activity which explores capacity, you will need to collect some bottles and jars.
In this activity focusing on capacity, you will need a collection of different jars and bottles.
Make new patterns from simple turning instructions. You can have a go using pencil and paper or with a floor robot.
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.
Can you create more models that follow these rules?
Can you see which tile is the odd one out in this design? Using the
basic tile, can you make a repeating pattern to decorate our wall?
What are the next three numbers in this sequence? Can you explain
why are they called pyramid numbers?
Have a go at making a few of these shapes from paper in different sizes. What patterns can you create?
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 work out what shape is made when this piece of paper is folded up using the crease pattern shown?
Try continuing these patterns made from triangles. Can you create your own repeating pattern?
Can you make a rectangle with just 2 dominoes? What about 3, 4, 5,
How do you know if your set of dominoes is complete?
You will need a long strip of paper for this task. Cut it into different lengths. How could you find out how long each piece is?
What shapes can you make by folding an A4 piece of paper?
Explore the triangles that can be made with seven sticks of the
Arrange your fences to make the largest rectangular space you can. Try with four fences, then five, then six etc.
Can you describe a piece of paper clearly enough for your partner to know which piece it is?
This practical problem challenges you to create shapes and patterns
with two different types of triangle. You could even try
Watch this "Notes on a Triangle" film. Can you recreate parts of
the film using cut-out triangles?
Looking at the picture of this Jomista Mat, can you decribe what
you see? Why not try and make one yourself?
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?
NRICH December 2006 advent calendar - a new tangram for each day in
the run-up to Christmas.
Can you make the birds from the egg tangram?
Can you make the most extraordinary, the most amazing, the most
unusual patterns/designs from these triangles which are made in a
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?
Follow the diagrams to make this patchwork piece, based on an
octagon in a square.
Can you recreate this Indian screen pattern? Can you make up
similar patterns of your own?
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.
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?
Can you fit the tangram pieces into the outlines of these clocks?
Can you fit the tangram pieces into the outlines of these people?
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 the lobster, yacht and cyclist?
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 chairs?
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 Little Fung at the table?
Take 5 cubes of one colour and 2 of another colour. How many
different ways can you join them if the 5 must touch the table and
the 2 must not touch the table?
Here's a simple way to make a Tangram without any measuring or
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 this telephone?
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?
Use the three triangles to fill these outline shapes. Perhaps you can create some of your own shapes for a friend to fill?
Take a rectangle of paper and fold it in half, and half again, to
make four smaller rectangles. How many different ways can you fold