Rotational Symmetry

Rotational symmetry is when a shape can twist and match up to itself before it restarts.

A shape has an order of rotational symmetry of 2. What does this mean?

This means the shape matches itself twice when it is rotated.

How is rotational symmetry different from line symmetry?

The difference is that line symmetry is mirrored where as rotational can match up in more than 2 places.

What do you do to check if a shape has rotational symmetry?

Pretend that you put a pin in the middle of the shape and then rotate it in your head and see if it matches up to itself.

Find pictures of 3 real life objects which have rotational symmetry

Order	Degrees of rotation to match its shape
2	180º
3	120º
4	90º
5	72º
10	36º

I did a quiz and got 80%