12. Instead of using left/right directions, find out where north, south, east and west are in your classroom or use directions to rotate in clockwise or anticlockwise directions. Rewrite the directions for one of the shapes using these new directions.


Angles as Rotations 1. a) Angles are a measure of rotation and are measured in b) A full rotation or full turn is


degrees, or °.


2. Using a clock face, straws or lollipop sticks, can you demonstrate a rotation of each type of angle?


3. Have a look at the following clock faces. What angles are being made by the hands of each clock? Is there more than one angle being made?


a) b) c) .


d)


e)


f)


4. How many degrees are there in each of the following? a) A full rotation


c) A quarter of a full rotation


b) Half of a full rotation d) Three-quarters of a full rotation


5. Examine this clock face. If there are 12 numbers on the clock face and there are 360° in a full rotation, then to move from one number to the next, we are moving 1 °.


__ 12 of a full rotation,


which =


40 Lines and Angles


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