Can you make the birds from the egg tangram?
Here is a version of the game 'Happy Families' for you to make and play.
Use the tangram pieces to make our pictures, or to design some of your own!
Can you work out what shape is made when this piece of paper is folded up using the crease pattern shown?
Make your own double-sided magic square. But can you complete both sides once you've made the pieces?
Investigate the smallest number of moves it takes to turn these mats upside-down if you can only turn exactly three at a time.
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?
If you split the square into these two pieces, it is possible to fit the pieces together again to make a new shape. How many new shapes can you make?
Use the three triangles to fill these outline shapes. Perhaps you can create some of your own shapes for a friend to fill?
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?
A game to make and play based on the number line.
Have you ever tried tessellating capital letters? Have a look at these examples and then try some for yourself.
Can you describe a piece of paper clearly enough for your partner to know which piece it is?
Have a go at making a few of these shapes from paper in different sizes. What patterns can you create?
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 it up?
In how many ways can you fit two of these yellow triangles together? Can you predict the number of ways two blue triangles can be fitted together?
What shape is made when you fold using this crease pattern? Can you make a ring design?
Can you work out what shape is made by folding in this way? Why not create some patterns using this shape but in different sizes?
Factors and Multiples game for an adult and child. How can you make sure you win this game?
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?
Paint a stripe on a cardboard roll. Can you predict what will happen when it is rolled across a sheet of paper?
How many different cuboids can you make when you use four CDs or DVDs? How about using five, then six?
Looking at the picture of this Jomista Mat, can you decribe what you see? Why not try and make one yourself?
Kimie and Sebastian were making sticks from interlocking cubes and lining them up. Can they make their lines the same length? Can they make any other 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?
These practical challenges are all about making a 'tray' and covering it with paper.
You have been given three shapes made out of sponge: a sphere, a cylinder and a cone. Your challenge is to find out how to cut them to make different shapes for printing.
Are all the possible combinations of two shapes included in this set of 27 cards? How do you know?
In this town, houses are built with one room for each person. There are some families of seven people living in the town. In how many different ways can they build their houses?
Can you visualise what shape this piece of paper will make when it is folded?
Make a flower design using the same shape made out of different sizes of paper.
Where can you put the mirror across the square so that you can still "see" the whole square? How many different positions are possible?
Use the lines on this figure to show how the square can be divided into 2 halves, 3 thirds, 6 sixths and 9 ninths.
Can you split each of the shapes below in half so that the two parts are exactly the same?
Make a cube out of straws and have a go at this practical challenge.
What are the next three numbers in this sequence? Can you explain why are they called pyramid numbers?
Exploring and predicting folding, cutting and punching holes and making spirals.
For this task, you'll need an A4 sheet and two A5 transparent sheets. Decide on a way of arranging the A5 sheets on top of the A4 sheet and explore ...
This problem invites you to build 3D shapes using two different triangles. Can you make the shapes from the pictures?
Can you deduce the pattern that has been used to lay out these bottle tops?
An activity making various patterns with 2 x 1 rectangular tiles.
This problem focuses on Dienes' Logiblocs. What is the same and what is different about these pairs of shapes? Can you describe the shapes in the picture?
What is the greatest number of squares you can make by overlapping three squares?
Can you cut up a square in the way shown and make the pieces into a triangle?
Reasoning about the number of matches needed to build squares that share their sides.
Move four sticks so there are exactly four triangles.
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?
Arrange 9 red cubes, 9 blue cubes and 9 yellow cubes into a large 3 by 3 cube. No row or column of cubes must contain two cubes of the same colour.
Can you predict when you'll be clapping and when you'll be clicking if you start this rhythm? How about when a friend begins a new rhythm at the same time?
These squares have been made from Cuisenaire rods. Can you describe the pattern? What would the next square look like?