This concept teaches students the Triangle Sum Theorem, and how to use it.
Recognize the sum of the interior angles of a triangle as 180 degrees
Finding and understanding the angle measures of triangles
This video provides the student with a walkthrough on the Triangle Sum Theorem.
This video provides the student with a walkthrough of one or more examples from the concept "Triangle Sum Theorem".
This video gives more detail about the mathematical principles presented in Basic Geometric Definitions.
This video gives more detail about the mathematical principles presented in Basic Geometric Definitions.
Proves that the sum of a triangle is 180.
Illustrates that the sum of interior angles of a triangle is 180 degrees.
Ten question quiz. Students must solve for missing angles in triangles using the triangle sum theorem and basic arithmetic and their algebra skills.
Asks a question about the triangle sum theorem.
Checks your understanding of the Triangle Sum Theorem.
Asks a question about the triangle sum theorem.
Asks a question about the triangle sum theorem.
Asks a question about the triangle sum theorem.
Use the triangle sum theorem to find the measure of an unknown angle.
Use the triangle sum theorem to find the measure of an unknown angle.
Checks your understanding of the Triangle Sum Theorem.
Checks your understanding of the Triangle Sum Theorem.
A list of student-submitted discussion questions for Triangle Sum Theorem.
To activate prior knowledge, to generate questions about a given topic, and to organize knowledge using a KWL Chart.
To activate prior knowledge, to generate questions about a given topic, and to organize knowledge using a KWL Chart.
Learn new vocabulary words and help remember them by coming up with your own sentences with the new words using a Stop and Jot table.
Develop understanding of concepts by studying them in a relational manner. Analyze and refine the concept by summarizing the main idea, creating visual aids, and generating questions and comments using a Four Square Concept Matrix.
Summarize the main idea of a reading, create visual aids, and come up with new questions using a Four Square Concept Matrix.
Do the angles in a triangle always add up to 180 degrees? How are the lengths of the sides of a triangle controlled by the sizes of the angles in Spherical Geometry?
This study guide reviews terminology for triangles, different types of triangles, and interior and exterior angles theorems.
A simple interactive that allows you to play with a triangle and see how the angles change when you move on of the vertices.