Geoboard 23cm

In the pack
• 1 Double-sided geoboard – square 11 x 11 pin grid 11 pin isometric grid
• Umbrella pinheads to hold elastic bands securely in place
• Elastic bands – assorted colours and sizes
• Activity guide in Afrikaans and English

Activities

Simple Shapes
Using the elastic bands, pin shapes on you Geoboard.
Ask: Can you make a bigger shape?
Can you make a smaller shape?
How many corners does a square have?
Which shape has 3 corners?
Which shape has no corners?
How many small squares/triangles can you fit on your Geoboard?

Symmetry
Learners work on symmetry skills by reflecting the pattern across the line of symmetry. Encourage learners to think of this as a mirror image.
Use the 11×11 grid side of the Geoboard and elastic bands.
Create a vertical line with an elastic band along pin six – this is your line of symmetry (mirror)
Create an image to the left of the line of symmetry.
Now flip this image to the other side of the line.

Perimeter & Area
Perimeter is the distance around the edge/outside of a flat shape. You can think of it as the outline of a shape.
The perimeter of a circle or ellipse is called its circumference.
Area is the amount of space occupied / inside a flat shape. The area of a shape is the number of unit squares that cover the surface of a closed figure.

See instructions for more activities.