1. Unit 6-12: Visualising shapes Starter
EASTBURY MATHEMATICS DEPARTMENT
Unit 6-12: Visualising shapes Starter

2. The objective of this starter is:
Visualise and sketch 2-D shapes in different orientations.
Describe what happens and use the shapes to explain why.

3. Imagine a rectangular sheet of paper.
Cut along the diagonal to make two triangles.

4. Place the diagonals together in a different way.
What shape is formed?

5. A kite

6. Imagine two equilateral triangles.
Place them together, edge to edge.
What shape is formed?

7. A rhombus
Does it matter on what edge to place the equilateral triangle? No

8. An isosceles trapezium
Add a third equilateral triangle. What shape is formed?
An isosceles trapezium
Does it matter on what edge to place the third equilateral triangle? No

9. Add a fourth equilateral triangle?
Does it matter on what edge to place the equilateral triangle?
Yes
A parallelogram
What shape is formed?
What other shape can be formed?

10. An equilateral triangle
Add a fourth equilateral triangle?
What shape is
formed?
An equilateral triangle

11. Imagine two congruent isosceles triangles.
Put sides of equal length together.
Describe the resulting shapes.

12. A kite
A parallelogram
A rhombus