Grade 6 Angle Operations Worksheet

Grade 6 Angle Operations

Read each question carefully and answer to the best of your ability. Use a protractor when necessary.

1. An angle that measures exactly 90 degrees is called a:

2. What is the sum of angles in a triangle?

3. A straight angle measures   degrees.

4. When two angles add up to 90 degrees, they are called   angles.

5. Use a protractor to measure the angle below.

6. Draw an angle that measures 120 degrees.

7. If angle A is 45 degrees and angle B is 30 degrees, what is the sum of angle A and angle B?

8. An angle measures 150 degrees. If you subtract 70 degrees from it, what is the new angle measure?

9. Identify if the following pairs of angles are complementary, supplementary, or neither:

a) 60 degrees and 30 degrees

b) 110 degrees and 70 degrees

c) 95 degrees and 80 degrees