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Classifying Triangles and Angles

Classifying Triangles and Angles

Assessment

Interactive Video

•

Mathematics

•

5th - 6th Grade

•

Practice Problem

•

Medium

Created by

Thomas White

Used 5+ times

FREE Resource

The video tutorial covers the classification of triangles by their angles and side lengths. It begins with a review of angle types, including right, obtuse, and acute angles. The tutorial then explains how triangles can be classified as acute, right, or obtuse based on their angles. It also covers classification by side lengths, introducing equilateral, isosceles, and scalene triangles. The video includes examples and practice exercises to reinforce learning, and concludes with a reminder to prepare for a quiz using the textbook.

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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main topic of math lesson 36?

Classifying circles

Classifying triangles

Classifying polygons

Classifying quadrilaterals

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a right angle?

An angle equal to 180°

An angle equal to 90°

An angle less than 90°

An angle greater than 90°

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which angle is larger than 90°?

Straight angle

Acute angle

Right angle

Obtuse angle

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many acute angles does every triangle have at least?

None

One

Two

Three

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of triangle has all three angles less than 90°?

Scalene triangle

Acute triangle

Obtuse triangle

Right triangle

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can triangles be classified by their sides?

By their side lengths

By their color

By their area

By their angles

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an equilateral triangle?

A triangle with all sides of equal length

A triangle with all sides of different lengths

A triangle with one right angle

A triangle with two sides of equal length

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