2D shapes and their properties

problem

Circle Panes

Age

7 to 11

Challenge level

Look at the mathematics that is all around us - this circular window is a wonderful example.
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

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

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 ...
problem

Regular Rings 2

Age

7 to 11

Challenge level

What shape is made when you fold using this crease pattern? Can you make a ring design?
problem

Shapely Tiling

Age

7 to 11

Challenge level

Use the interactivity to make this Islamic star and cross design. Can you produce a tessellation of regular octagons with two different types of triangle?
problem

Shaping Up

Age

7 to 11

Challenge level

Are all the possible combinations of two shapes included in this set of 27 cards? How do you know?
problem

Count the Trapeziums

Age

7 to 11

Challenge level

How many trapeziums, of various sizes, are hidden in this picture?