Monday, 27 October 2014

Rotating Shapes.

  1. What 3 things do you need to say to describe a rotation?
1. Where the centre of rotation is.
2. How much it is turned through.
3. Whether the rotation is clockwise or anticlockwise.

  1. Explain what centre of rotation means
The centre of rotation is the point of the grid that the shape turns around. 

  1. Now use these 3 things to describe the rotation on Page 1 of the myimaths lesson (i.e. describe the rotation of the triangle)
The centre of rotation is at (1,1).
It has turned 90° 
It has turned clockwise.

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