List

Geometry Stage 3

Shapely Lines
problem
Favourite

Shapely lines

Age
5 to 7
Challenge level
filled star empty star empty star

This challenge invites you to create your own picture using just straight lines. Can you identify shapes with the same number of sides and decorate them in the same way?

Sorting Logic Blocks
problem
Favourite

Sorting logic blocks

Age
5 to 11
Challenge level
filled star empty star empty star

This activity focuses on similarities and differences between shapes.

Rolling that cube
problem
Favourite

Rolling that cube

Age
5 to 11
Challenge level
filled star empty star empty star
My dice has inky marks on each face. Can you find the route it has taken? What does each face look like?
Describe the drawers
problem

Describe the drawers

Age
5 to 11
Challenge level
filled star empty star empty star
Can you come up with a system for describing where any of these drawers are?
Mrs Trimmer's String
problem

Mrs Trimmer's string

Age
5 to 7
Challenge level
filled star filled star empty star

Can you help the children in Mrs Trimmer's class make different shapes out of a loop of string?

The Third Dimension
problem
Favourite

The third dimension

Age
5 to 11
Challenge level
filled star filled star filled star

Here are four cubes joined together. How many other arrangements of four cubes can you find? Can you draw them on dotty paper?

A Puzzling Cube
problem
Favourite

A puzzling cube

Age
7 to 11
Challenge level
filled star empty star empty star

Here are the six faces of a cube - in no particular order. Here are three views of the cube. Can you deduce where the faces are in relation to each other and record them on the net of this cube?

Let Us Reflect
problem
Favourite

Let us reflect

Age
7 to 11
Challenge level
filled star empty star empty star

Where can you put the mirror across the square so that you can still "see" the whole square? How many different positions are possible?

Building Blocks
problem
Favourite

Building blocks

Age
7 to 11
Challenge level
filled star empty star empty star

Here are some pictures of 3D shapes made from cubes. Can you make these shapes yourself?

Tiles in a public building
problem

Tiles in a public building

Age
7 to 11
Challenge level
filled star empty star empty star
What is the same and what is different about these tiling patterns and how do they contribute to the floor as a whole?
What shape?
problem
Favourite

What shape?

Age
7 to 14
Challenge level
filled star empty star empty star

This task develops spatial reasoning skills. By framing and asking questions a member of the team has to find out what mathematical object they have chosen.

National Flags
problem
Favourite

National flags

Age
7 to 11
Challenge level
filled star empty star empty star
This problem explores the shapes and symmetries in some national flags.
Egyptian Rope
problem
Favourite

Egyptian rope

Age
7 to 11
Challenge level
filled star filled star empty star

The ancient Egyptians were said to make right-angled triangles using a rope with twelve equal sections divided by knots. What other triangles could you make if you had a rope like this?

Overlaps
problem
Favourite

Overlaps

Age
7 to 11
Challenge level
filled star filled star empty star

What does the overlap of these two shapes look like? Try picturing it in your head and then use some cut-out shapes to test your prediction.

Overlapping Again
problem
Favourite

Overlapping again

Age
7 to 11
Challenge level
filled star filled star empty star

What shape is the overlap when you slide one of these shapes half way across another? Can you picture it in your head? Use the interactivity to check your visualisation.