1. What part of a revolution have you turned through, if you stand facing north and turn clockwise to face east?

2. Find the number of right angles turned through by the hour hand of a clock when it goes from 12 to 3.

3. Find the number of right angles turned through by the hour hand of a clock when it goes from 4 to 10.

4. Find the number of right angles turned through by the hour hand of a clock when it goes from 3 to 12.

5. How many right angles do you make if you start facing north and turn clockwise to south?

6. How many right angles do you make if you start facing east and turn clockwise to south?

7. How many right angles do you make if you start facing south and turn clockwise to east?

8. How many right angles do you make if you start facing east and turn clockwise to east?

9. The measure of a right angle is

10. The measure of a straight angle is