Unit Plan
CK-12 Foundation

Ck 12: Geometry: Triangle Inequality Theorem

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This concept teaches students the Triangle Inequality Theorem and how to apply it.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Triangle Inequality Theorem

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Apply the Triangle Inequality Theorem to determine if three side lengths make a triangle.
Unit Plan
Cuemath

Cuemath: Triangle Inequality Theorem

For Students 9th - 10th
This lesson explores triangle inequality theorem, triangle inequality theorem-proof, and triangle inequality theorem problems. Try the hands-on triangle inequality theorem calculator and interactive problems to have a better...
Unit Plan
Oswego City School District

Regents Exam Prep Center: Triangle Inequality Theorems

For Students 9th - 10th Standards
This tutorial discusses triangle inequality and provides practice problems for students to try out their skills. The teacher resource page contains a lesson plan for a yummy activity involving licorice.
Unit Plan
Cuemath

Cuemath: Triangles

For Students 5th - 8th Standards
Explore everything about triangles. Learn about the different types, important properties, and how to find its area and perimeter. Check out the solved examples and interactive questions for better understanding.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Comparing Angles and Sides in Triangles

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This concept teaches students the relationship between opposite angles and sides in triangles and how to use this relationship to compare triangles. students examine...
Handout
CK-12 Foundation

Ck 12: Geometry: Inequalities in Triangles Study Guide

For Students 9th - 10th
This study guide on triangle inequalities discusses comparing angles and sides, the Triangle Inequality Theorem, and the Hinge Theorem. It is available for download with free registration.
Unit Plan
Mathigon

Mathigon: Geometry: Angles and Polygons: Drawing Triangles

For Students 9th - 10th Standards
This lesson focuses on the Triangle Inequality, when the sum of the lengths of any two sides of a triangle is greater than the length of the third. When this happens, the three sides cannot form a triangle.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Comparing Angles and Sides in Triangles

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson students compare sides and angles in triangles. Students examine guided notes, review guided practice, watch instructional videos and attempt practice...
Handout
Geometry Help

Geometry Help: Triangle Inequalities

For Students 9th - 10th Standards
Explains the basic concept of triangle inequalities with step-by-step instructions and methods for solving specific problems on your own relating to this topic.
Activity
Free Math Help

Free Math Help: Triangle Inequalities

For Students 9th - 10th Standards
The lesson investigates the Geometry topic of triangle inequalities. Students learn about the concept and view diagrams and exercises with solutions.
Handout
Geometry Help

Geometry Help: Hinge Theorem

For Students 9th - 10th Standards
Provides a detailed definition of the Hinge Theorem with step-by-step instructions and methods for solving problems on your own.
Unknown Type
That Quiz

That Quiz

For Students 3rd - 8th
ThatQuiz is an excellent assessment tool for teachers and students. At this site, teachers can create individualized or group assessments on a variety of math topics. Students take these practice assessments directly online and receive...