Rotational Symmetry

1
Rotational Symmetry
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 Teachers Resource pack B1 (Chapter 19 page
211)
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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
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Rotational Symmetry WS90s
Exercise 2 (a) Complete the diagram so that the
final shape has a rotational symmetry of order
2.
1
2
Order of Rotation
4
Rotational Symmetry WS90s
Exercise 2 (b), (c) Complete the diagrams so
that the final shapes have a rotational
symmetry of order 2.
5
Rotational Symmetry WS90s
Exercise 2 (d) Complete the diagram so that the
final shape has a rotational symmetry of order
4.
4
6
Rotational Symmetry WS90s
Exercise 2 (e), (f) Complete the diagrams so
that the final shapes have a rotational
symmetry of order 4.
7
Rotational Symmetry WS90s
Exercise 2 (e), (f) Complete the diagrams so
that the final shapes have a rotational
symmetry of order 8.
4
8
4
8
RESTART
END SHOW