Angle Calculations Worksheet
Practice calculating and measuring angles with this Grade 5 math worksheet.
Includes
Standards
Topics
Angle Calculations
Name:
Date:
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Read each question carefully and answer to the best of your ability. Show all your work for calculation problems.
1. What type of angle measures exactly 90 degrees?
Acute angle
Obtuse angle
Right angle
Straight angle
2. An angle that measures less than 90 degrees is called an angle.
3. A full circle measures degrees.
4. Look at the image of the angle below. What is the measure of the angle shown?
5. A straight angle measures 180 degrees.
True
False
Match the angle type with its description:
6. Acute Angle
a. Measures exactly 90°
7. Obtuse Angle
b. Measures between 90° and 180°
8. Right Angle
c. Measures less than 90°
9. Use the protractor to measure the angle shown. What is its measure in degrees?

10. An angle measures 120 degrees. If it is divided into two angles, and one angle measures 50 degrees, what is the measure of the other angle?