1. order 4 Eg1. A square It fits on itself 4 times
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order 4
We say that a square has…

2. order 1 Eg2. A heart shape It fits on itself only once
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order 1
We say that a heart has…

3. Objectives: To be able to recognise
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DATE
Objectives: To be able to recognise
the order of rotational
symmetry of any shape

4. Rotational Symmetry
The order of rotational symmetry of a shape is determined by how many times the shape fits onto itself during a 360° turn. (Example 1)
Every shape has an order of rotational symmetry, even if it is order 1. (Example 2)
Have a look at the following shapes…

5. What is the order of rotational symmetry?
answer

6. What is the order of rotational symmetry?
answer

7. What is the order of rotational symmetry?
answer

8. What is the order of rotational symmetry?
answer

9. 4 3 2 A 1 -1 -2 -3 -4