Unit Review: Measuring angles

T.1A full turn is 360°.

1. 1
   Shaded angle: 
2. 2
   Shaded angle: 
3. 3
   Shaded angle: 
4. 4
   Shaded angle: 

T.2Read each angle on the protractor. Use the scale that starts at 0° on a ray.

1. 5
   Angle: 
2. 6
   Angle: 

T.2Read each angle on the protractor. Use the scale that starts at 0° on a ray. (continued)

1. 7
   Angle: 
2. 8
   Angle: 

T.3The parts of an angle add up to the whole angle. A straight angle is 180°.

1. 9
   ? = 
2. 10
   ? = 
3. 11
   ? = 
4. 12
   ? = 

T.1Angles as Fractions of a Turn

1. 1$36^{\circ }$
2. 2$144^{\circ }$
3. 3$40^{\circ }$
4. 4$280^{\circ }$

T.2Measure Angles with a Protractor

1. 5$50^{\circ }$
2. 6$40^{\circ }$
3. 7$95^{\circ }$
4. 8$65^{\circ }$

T.3Find Missing Angles

1. 9$30^{\circ }$
2. 10$100^{\circ }$
3. 11$70^{\circ }$
4. 12$85^{\circ }$