2.  90 degree angle  ¼ rotation

3.  An 180 degree angle  ( ½ rotation)

4.  An angle that is between 90 degrees and 180 degree

5.  Any angle less than 90 degrees

7.  A reflex angle Any angle is any size angle greater than a straight angle and less than one full rotation

8.  What angles can you see in the classroom?

9.  What is a right angle?  What is a straight angle?  What is a obtuse angle?  What is a acute angle?  A _____ angle is a ¼ rotation.  A _____ angle is full rotation.  A _____ angle is a ½ rotation.  A_____ angle is a 1/8 rotation.  What is a reflex angle?