2D shapes and their properties

problem
Sports equipment

Age

7 to 11

Challenge level

If these balls are put on a line with each ball touching the one in front and the one behind, which arrangement makes the shortest line of balls?
problem
National flags

Age

7 to 11

Challenge level

This problem explores the shapes and symmetries in some national flags.
problem
Round a hexagon

Age

7 to 11

Challenge level

This problem shows that the external angles of an irregular hexagon add to a circle.
problem
Shape draw

Age

7 to 11

Challenge level

Use the information on these cards to draw the shape that is being described.
problem
Name that triangle!

Age

7 to 11

Challenge level

Can you sketch triangles that fit in the cells in this grid? Which ones are impossible? How do you know?
problem
Possible pairs

Age

7 to 11

Challenge level

In this game, you turn over two cards and try to draw a triangle which has both properties.
problem
Data duos

Age

7 to 11

Challenge level

Can you match the Venn diagram with the Carroll diagram that shows the same information?
problem
Triangle in a square

Age

7 to 11

Challenge level

Do you agree with Badger's statements? Is Badger's reasoning watertight? Why or why not?
problem
Seeing parallelograms

Age

7 to 11

Challenge level

Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a parallelogram.
problem
Move those halves

Age

7 to 11

Challenge level

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 ...