Angles and Right Angles

Name: _______________________________
Date: _______________________________

Part 1: Identify the Angles

Label each angle as: Right Angle, Acute Angle, or Obtuse Angle

a) _______________
b) _______________
c) _______________

Part 2: Count the Angles

Look at each shape and count how many of each type of angle it has.

Rectangle:
Right angles: ____ Acute angles: ____ Obtuse angles: ____
Triangle:
Right angles: ____ Acute angles: ____ Obtuse angles: ____

Part 3: Draw the Angles

Draw an example of each type of angle in the boxes below. Mark the angle with a small arc.

Right Angle
Acute Angle
Obtuse Angle

Part 4: True or False

Circle the correct answer.

1. A right angle measures exactly 90 degrees. TRUE / FALSE
2. An acute angle is larger than a right angle. TRUE / FALSE
3. An obtuse angle is between 90 and 180 degrees. TRUE / FALSE
4. A square has four right angles. TRUE / FALSE

Part 5: Real World Angles

Name one object in your classroom or home that contains:

A right angle: _________________________________________________________
An acute angle: ________________________________________________________
An obtuse angle: _______________________________________________________