What’s Your Angle?

Contributor: Marlene Vogel. Lesson ID: 12896

There may be nothing cute about math but this is a cute lesson on measuring angles. You'll earn a geometry "degree" by finding and measuring angles near you and even creating a cute piece of artwork!


Geometry, Geometry, Measurement and Data

learning style
Kinesthetic, Visual
personality style
Lion, Beaver
Grade Level
Intermediate (3-5)
Lesson Type
Skill Sharpener

Lesson Plan - Get It!


Angle My Name

  • How many angles do you have in your name?

Access the Angle My Name worksheet found in the Downloadable Resources in the right-hand sidebar for the directions to complete this activity!

This lesson will help you refresh your angle-measurement math skill.

Before you review the activity below, or complete any of the activities included in this lesson, take a moment to define the following vocabulary (You can access A Maths Dictionary for Kids Quick Reference for assistance defining the vocabulary words below or checking for accuracy once you define the words.):

  • acute angle
  • complementary angle
  • endpoint
  • line
  • line segment
  • obtuse angle
  • protractor
  • ray
  • right angle
  • straight angle
  • supplementary angle
  • vertex

Refresh your memory

Angles, angles, everywhere! Our lives are full of angles. You can look just about anywhere in your daily environment and find numerous examples of angles. For this skill-sharpening lesson of angle measurement, the example of a clock face will be used to help you review your knowledge of this skill and your ability to measure angles.

To have a hands-on tool to assist you, ask your parent or teacher if you can borrow an analog clock (See below):
face of a clock
Set the clock to reflect 3 o’clock (See below):
analog clock set for 3:00
Take out your protractor to take the measurement of the angle you just made on the face of the clock. Remember to line up the hole in the protractor with the vertex of the angle and the 0° measurement on one of the two lines made by the hands of the clock (See below):
analog clock with a protractor on it

It may be difficult to see in this lesson, and hopefully it is easier to see using the clock and protractor in front of you, that the measurement of the clock hands, when set at 3 o’clock, is 90°. As long as you remember to place the hole of your protractor at the vertex of any given angle, and line up the 0° mark on the protractor with one of the rays, lines, or line segments of the angle, you will be able to use the other line of the angle to get the exact measurement of that angle.

Complete the activity below to make sure that you understand the math skill that you are sharpening.

Set your clock hands for the following times. Then, use your protractor to measure each of the angles (times) you set on the clock face. Check your answers below once you have measured them all:

  • 2:15
  • 6:55
  • 1:28
  • 10:45

The Got It? section offers two opportunities for you to continue to sharpen your angle measurement skills!

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