QuizGenerator
Sign in
Quiz library / Math

Angles Quiz for Grade 6

10 math questions on angles with answers, written for Grade 6. Use it as it is, change any question, print it with an answer key, or give it online and let it grade itself.

1.
What is the sum of the angles in a triangle? (Multiple choice)
  1. 360 degrees
  2. 180 degrees
  3. 270 degrees
  4. 90 degrees
Show answer

180 degrees

The sum of the interior angles in any triangle is always 180 degrees.
2.
Which angle measures exactly 90 degrees? (Multiple choice)
  1. Acute angle
  2. Straight angle
  3. Obtuse angle
  4. Right angle
Show answer

Right angle

A right angle measures exactly 90 degrees.
3.
An angle greater than 90 degrees but less than 180 degrees is called a: (Multiple choice)
  1. Reflex angle
  2. Right angle
  3. Acute angle
  4. Obtuse angle
Show answer

Obtuse angle

Obtuse angles are those that measure more than 90 degrees and less than 180 degrees.
4.
What is the measure of a straight angle? (Multiple choice)
  1. 360 degrees
  2. 180 degrees
  3. 90 degrees
  4. 270 degrees
Show answer

180 degrees

A straight angle measures 180 degrees, forming a straight line.
5.
Two angles that add up to 90 degrees are called: (Multiple choice)
  1. Adjacent angles
  2. Vertical angles
  3. Complementary angles
  4. Supplementary angles
Show answer

Complementary angles

Complementary angles sum to 90 degrees.
6.
A reflex angle measures less than 180 degrees. (True or false)
  1. True
  2. False
Show answer

False

Reflex angles measure more than 180 degrees.
7.
Vertical angles are always equal in measure. (True or false)
  1. True
  2. False
Show answer

True

Vertical angles formed by two intersecting lines are equal.
8.
Name the angle that measures less than 90 degrees. (Identification)
Show answer

Acute angle

An acute angle measures less than 90 degrees.
9.
An angle that measures exactly 180 degrees is called a _____ angle. (Fill in the blank)
Show answer

straight

A straight angle measures exactly 180 degrees.
10.
Match each type of angle with its correct measure range. (Matching type)
1. Acute angle
A. Less than 90 degrees
2. Right angle
B. Between 90 and 180 degrees
3. Obtuse angle
C. Exactly 90 degrees
4. Reflex angle
D. Between 180 and 360 degrees
Show answer

1 = Less than 90 degrees; 2 = Exactly 90 degrees; 3 = Between 90 and 180 degrees; 4 = Between 180 and 360 degrees

Each angle type has a specific measure range.