Triangle Inequality Theorem Concepts

Triangle Inequality Theorem Concepts

Assessment

Interactive Video

Mathematics

6th - 7th Grade

Hard

Created by

Thomas White

FREE Resource

Miss Li introduces the concept of triangle side lengths and the triangle inequality theorem, which states that the sum of the lengths of any two sides of a triangle must be greater than the length of the third side. She provides examples to illustrate valid and invalid triangle formations and concludes with practice problems to reinforce the concept.

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17 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main topic of today's lesson?

Triangle angles

Triangle side lengths

Circle circumference

Square area

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to take notes during the lesson?

To draw better triangles

To help with homework

To improve handwriting

To memorize theorems

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the Triangle Inequality Theorem state?

The sum of any two sides is less than the third side

The sum of all sides is equal

The sum of any two sides is greater than the third side

The sum of all angles is 180 degrees

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are theorems important in mathematics?

They are unproven ideas

They are opinions

They are guesses

They are proven rules

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can the Triangle Inequality Theorem be simplified?

The sum of the two longer sides is greater than the shorter side

The sum of all sides is equal

The sum of the two shorter sides is greater than the longer side

The sum of the two shorter sides is less than the longer side

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the first example, what are the side lengths of the triangle?

4, 5, 7

6, 7, 9

3, 4, 5

5, 6, 8

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do the side lengths 4, 5, and 7 form a triangle?

4 + 5 is less than 7

4 + 5 is less than 9

4 + 5 is equal to 7

4 + 5 is greater than 7

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