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Geometry Triangle Angle Sum Theorem Color by Number Code Activity
Geometry Triangle Angle Sum Theorem Color by Number Code Activity
Geometry Triangle Angle Sum Theorem Color by Number Code Activity
Geometry Triangle Angle Sum Theorem Color by Number Code Activity
Geometry Triangle Angle Sum Theorem Color by Number Code Activity
Geometry Triangle Angle Sum Theorem Color by Number Code Activity
Geometry Triangle Angle Sum Theorem Color by Number Code Activity
Geometry Triangle Angle Sum Theorem Color by Number Code Activity
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What others say

"The activity provides great practice with the Triangle Angle Sum Theorem, and I really appreciated that it included both basic missing-angle problems and algebraic expressions. That balance made it accessible for struggling students while still challenging my higher-level learners."
star
Jackie Y.
"Used to help Math 2 students to review angle sum theorem- was received well and the students worked on it and stayed engaged."
star
Elizabeth E.

Description

This is a coloring activity that can be used for students to practice finding the missing angle in triangles. Students must know that the sum of the angles in a triangle is 180˚. In order to complete this activity successfully, students must be able to solve algebra equations.

Students solve each problem and the color the included mandala as indicated by the code in the puzzle.

Want to use these problems without the coloring sheet? I have included the same 8 problems in a traditional worksheet format.

Answer key included.

Report this resource to TPT
Reported resources will be reviewed by our team. Report this resource to let us know if this resource violates TPT's content guidelines.

Geometry Triangle Angle Sum Theorem Color by Number Code Activity

Teaching High School Math
6.3k Followers
$1.50

Highlights

Digital downloads
Grades icon
Grades
7th - 10th
Subjects icon
Subjects
Pages
8 problems; 1 coloring sheet
Answer Key
Included
Teaching Duration
30 minutes

What others say

"The activity provides great practice with the Triangle Angle Sum Theorem, and I really appreciated that it included both basic missing-angle problems and algebraic expressions. That balance made it accessible for struggling students while still challenging my higher-level learners."
star
Jackie Y.
"Used to help Math 2 students to review angle sum theorem- was received well and the students worked on it and stayed engaged."
star
Elizabeth E.

Save even more with bundles

In this bundle you will find all items from my Teachers Pay Teachers store that are in Part One of a High School Geometry Course. I am defining Part One as:BasicsParallel and Perpendicular LinesCongruent TrianglesRelationships in TrianglesQuadrilateralsAs I add more geometry items to my store, I w
Price $80.00Original Price $94.00Save $14.00
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Description

This is a coloring activity that can be used for students to practice finding the missing angle in triangles. Students must know that the sum of the angles in a triangle is 180˚. In order to complete this activity successfully, students must be able to solve algebra equations.

Students solve each problem and the color the included mandala as indicated by the code in the puzzle.

Want to use these problems without the coloring sheet? I have included the same 8 problems in a traditional worksheet format.

Answer key included.

Report this resource to TPT
Reported resources will be reviewed by our team. Report this resource to let us know if this resource violates TPT's content guidelines.

Reviews

5.0
Rated 5 out of 5, based on 11 reviews
11
ratings
5
11
4
0
3
0
2
0
1
0
Grades used with
Reviews
3
3
2
3
2
2
7th
8th
9th
10th
11th
12th
All verified TPT purchases
Great Review
Rated 5 out of 5
April 15, 2026
Students love to color and this was a great review.
Amy B.
65 reviews
Grades taught: 9th, 10th, 11th, 12th
A well crafted resource
Rated 5 out of 5
March 29, 2026
Met expectations
Great value
This is a great resource for my 7th grade math students. My students really enjoyed it!
Chandler I.
290 reviews
Grades taught: 7th, 8th
Student populations: Learning difficulties
Engaging, Rigorous, and Perfect for Review!
Rated 5 out of 5
February 22, 2026
Met expectations
Great value
The activity provides great practice with the Triangle Angle Sum Theorem, and I really appreciated that it included both basic missing-angle problems and algebraic expressions. That balance made it accessible for struggling students while still challenging my higher-level learners.
Jackie Y.
6 reviews • Pennsylvania
Grades taught: 7th
Review Activity
Rated 5 out of 5
August 13, 2025
Met expectations
Great value
Used to help Math 2 students to review angle sum theorem- was received well and the students worked on it and stayed engaged.
Elizabeth E.
165 reviews • Wisconsin
Grades taught: 11th, 12th
Rated 5 out of 5
June 11, 2025
My students really enjoyed this activity and it was super easy for me to check. The students enjoyed having the chance to color in class.
Angela K.
382 reviews
Grades taught: 9th
Rated 5 out of 5
January 16, 2025
My students enjoyed the activity and were very engaged.
Michelle D.
195 reviews
Grades taught: 8th
Rated 5 out of 5
May 9, 2024
Great way to practice triangle sum theorem. Good variety of problems. It always amazes me how much high school students love to color!!
Kristin S.
279 reviews
Grades taught: 10th
Rated 5 out of 5
January 5, 2024
My students had the opportunity to practice the skill while looking forward to the art activity involved.
Veronica G.
548 reviews
Grades taught: 8th
Student populations: Emerging bilinguals

Questions & Answers

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