Checking and securing understanding of angle notation and drawing/measuring angles

12 questions

1. An ___ is a measure of turn. It is often displayed as the rotation between two line segments.
2. Which of these is an instrument used for measuring an angle?
3. Which of these units is used to measure angles?
4. An angle that is smaller than a right angle is called an ___ angle.
5. An angle that is greater than a right angle but smaller than a straight line is called an ___ angle.
6. An angle that is greater than a straight line (i.e. greater than 180°) is called a ___ angle.
7. In which of these images is the protractor in a correct position to measure the marked angle?
8. What is the size of the angle marked x?
9. What is the size of the angle marked x?
10. The size of the angle marked x is ___°.
11. Match each angle to its size.
12. The three letter notation for the marked angle is ∠___.

License: OGL