1. Rotational Symmetry Carmelo Ellul Head of Department (Mathematics)
A powerpoint presentation by
Carmelo Ellul
Head of Department (Mathematics)
This powerpoint show is based on questions 1 and 2 of worksheet WS90s taken from the Formula One Maths Teacher’s Resource pack B1 (Chapter 19 page 211)

2. Rotational Symmetry: WS90s
Exercise 1: Which of these shapes have rotational symmetry?
State the order of rotation for each shape.
Rotational Symmetry of order 2
Rotational Symmetry of order 2
Rotational Symmetry of order 1
Rotational Symmetry of order 2
Rotational Symmetry of order 4

3. Rotational Symmetry: WS90s
Exercise 2 (a): Complete the diagram so that the final shape has a
rotational symmetry of order 2.
Order of Rotation 1 2

4. Rotational Symmetry: WS90s
Exercise 2 (b), (c) Complete the diagrams so that the final shapes have a
rotational symmetry of order 2.
Order of Rotation 2

5. Rotational Symmetry: WS90s
Exercise 2 (d) Complete the diagram so that the final shape has a
rotational symmetry of order 4.
Order of Rotation 2 4

6. Rotational Symmetry: WS90s
Exercise 2 (e), (f): Complete the diagrams so that the final shapes have a
rotational symmetry of order 4.
Order of Rotation 2 4

7. Rotational Symmetry: WS90s
Exercise 2 (e), (f) Complete the diagrams so that the final shapes have a
rotational symmetry of order 8.
Order of Rotation 2 4 8
Order of Rotation 2 8 4
RESTART
END SHOW