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Angle Identification Worksheet

A Grade 4 math worksheet focusing on identifying different types of angles: acute, obtuse, right, and straight.

Grade 4 Math GeometryAnglesAngle Identification
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Includes

Multiple ChoiceFill in the BlanksTrue / FalseShort Answer

Standards

CCSS.MATH.CONTENT.4.G.A.1

Topics

mathgeometryanglesgrade 4acuteobtuserightstraight
6 sections · Free to use · Printable
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Angle Identification

Name:

Date:

Score:

Read each question carefully and identify the type of angle shown or described. Mark your answers clearly.

1. What type of angle measures exactly 90 degrees?

a

Acute angle

b

Obtuse angle

c

Right angle

d

Straight angle

2. An angle that measures less than 90 degrees is called a(n)   angle.

a

Obtuse

b

Acute

c

Right

d

Straight

3. An angle that measures exactly 180 degrees is called a   angle.

4. An angle that measures more than 90 degrees but less than 180 degrees is called an   angle.

5. All right angles are equal in measure.

T

True

F

False

6. An acute angle is always larger than an obtuse angle.

T

True

F

False

7. Look at the angle below. What type of angle is it?

8. Look at the angle below. What type of angle is it?

9. Look at the angle below. What type of angle is it?

10. Look at the angle below. What type of angle is it?