teaching resource

Measuring Angles – Mystery Picture Worksheet

  • Updated

    Updated:  31 May 2023

Find the measure of each angle and use the color guide to reveal a mystery picture with this worksheet designed for 4th-grade students.

  • Editable

    Editable:  Google Slides

  • Non-Editable

    Non-Editable:  PDF

  • Pages

    Pages:  7 Pages

  • Curriculum
  • Grade

    Grade:  4

Curriculum

teaching resource

Measuring Angles – Mystery Picture Worksheet

  • Updated

    Updated:  31 May 2023

Find the measure of each angle and use the color guide to reveal a mystery picture with this worksheet designed for 4th-grade students.

  • Editable

    Editable:  Google Slides

  • Non-Editable

    Non-Editable:  PDF

  • Pages

    Pages:  7 Pages

  • Curriculum
  • Grade

    Grade:  4

Find the measure of each angle and use the color guide to reveal a mystery picture with this worksheet designed for 4th-grade students.

Measuring Angles Worksheet

When students enter 4th grade, they typically are introduced to a new mathematical concept – angles! Students learn about the different types of angles (acute, right, obtuse) and then learn how to measure these different figures. Teach Starter has created a mystery picture worksheet to help your students strengthen their understanding of angle measurement while having fun at the same time!

With this color-by-number worksheet, students will determine the measurement of 24 different angles. Each angle is accompanied by a protractor image to help your students determine the correct angle measurement before using a protractor of their own. After determining the degrees of each angle, students will use the color guide to color the grid and reveal a mystery image.

An answer key is included with your download to make grading fast and easy!  

Tips for Differentiation + Scaffolding 

In addition to independent student work time, use this worksheet as an activity for:

  • Lesson wrap-up
  • Fast finishers 
  • Homework assignment

Encourage students who need an additional challenge to draw and label their own angles using a protractor on the back of their worksheet.

If there are students that require additional support, consider guiding them to color code angles as either acute or obtuse prior to beginning the activity. Students can then highlight the numbers on each protractor with the same color to help them determine which numbers to use when measuring each angle.

Easily Download & Print

Use the dropdown icon on the Download button to choose between the PDF or editable Google Slides version of this resource. 

Because this resource includes an answer sheet, we recommend you print one copy of the entire file. Then, make photocopies of the blank worksheet for students to complete. 


This resource was created by Kaylyn Chupp, a teacher in Florida and a Teach Starter Collaborator.

Don’t stop there! We’ve got more activities to shorten your lesson planning time:  

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