1. ©2009 G Dear – Not to be sold/Free to use
Stage 4
Years 7 & 8
Symmetry
Rotational
Symmetry
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©2009 G Dear – Not to be sold/Free to use

2. Rotational Symmetry (1/5)
It can be rotated through an angle of 180o or less so that it looks identical.
72o
Centre of Symmetry
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3. Rotational Symmetry (1/5)
It can be rotated through an angle of 180o or less so that it looks identical. 5
72o 4 1
Centre of Symmetry 3 2
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4. Rotational Symmetry (3/5)4 1 3 2
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5. Order of Rotational Symmetry (4/5)
It is the number of times the shape is repeated in one complete rotation. 4 5 3 1 2
Order 5

6. Rotational Symmetry (2/5)
It can be rotated through an angle of 180o or less so that it looks identical. 6 1 5
60o 4 2
Centre of Symmetry
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7. Rotational Symmetry (2/5)6 5 1 4 2 3
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8. 2 2 Order 1 Point Symmetry A special case of Rotational Symmetry
with an even order of symmetry. 2
Order 2
Point
Symmetry 1
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9. 2 2 Order 1 Point Symmetry A special case of Rotational Symmetry
with an even order of symmetry. 2
Order 2
Point
Symmetry 1
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10. 4 4 Order 3 1 2 Point Symmetry A special case of Rotational Symmetry
with an even order of symmetry. 4
Order 4 3 1
Point
Symmetry 2
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11. 4 4 Order 3 1 2 Point Symmetry A special case of Rotational Symmetry
with an even order of symmetry. 4
Order 4 3 1
Point
Symmetry 2
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12. Point Symmetry (5/5)
A special case of Rotational Symmetry
with an even order of symmetry. 6
Order 6 1 5 2 4
Point
Symmetry 3
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13. Point Symmetry (5/5)
A special case of Rotational Symmetry
with an even order of symmetry. 6
Order 6 1 5 2 4
Point
Symmetry 3
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14. Point Symmetry (5/5)
A special case of Rotational Symmetry
with an even order of symmetry. 8 7 1
Order 8 6 2
Point
Symmetry 5 3 4
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15. More Point Symmetry (5/5)7 1 8
Order 8 A
Diamond 6 2
Point
Symmetry 3 5 4
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