Curated Video
Types of Angles
In this video we explain the different types of angles in maths. We explain acute angles, right angles, straight angles, obtuse angles, reflex angles and full rotations. Two sets of practice questions and answers are at the end of the...
Tarver Academy
5-5 Indirect Proof and Inequalities in One Triangle - GEOMETRY
In This Episode, Tyler Teaches Us About Indirect Proof and Inequalities in One Triangle - Geometry
Curated Video
Sorting Polygons by Angle Types
In this lesson, students will learn how to classify and sort polygons based on their angles. By observing the angles in different shapes, such as squares, triangles, and hexagons, students will understand the concept of right angles,...
Curated Video
Identifying Geometric Figures: Observing Characteristics
In this video, students are taught how to identify geometric figures by observing their characteristics. The teacher explains the different types of angles, lines, and polygons, and demonstrates how to classify shapes based on their...
Brian McLogan
What are acute and obtuse angles
👉 Learn about angles in trigonometry. An angle is the figure formed by two rays sharing the same endpoint. The two rays are called the sides of the angle while the common endpoint of the two rays is called the vertex of the angle. Angle...
Curated Video
How to Name and Classify an Angle
In this video lesson, you will learn how to name an angle from a diagram. You will also learn key content vocabulary to classify angles as acute, right, obtuse, straight and reflex. Student practice is embedded in the lesson. Grade 7...
Curated Video
I WONDER - Can Triangles Have Obtuse Angles?
This video is answering the question of can triangles have obtuse angles.
Curated Video
Right, Obtuse, and Acute Angles | Educational Kids Videos
Do you need to learn about the different types of angles in 4th grade? This educational kids math video shows upper elementary math students how to classify different angles! Visually see what acute angles, obtuse angles, right angles,...
Curated Video
Drawing Geometric Figures with Given Characteristics
In this video, the teacher explains how to draw geometric figures with specific characteristics. They cover points, lines, line segments, rays, angles, and different types of lines such as parallel, perpendicular, and intersecting lines.
Curated Video
Identifying Geometric Figures in Two-Dimensional Shapes
In this lesson, students will learn how to identify and classify geometric figures in two-dimensional shapes. They will understand the properties of points, lines, rays, and angles and use them to analyze shapes. By recognizing parallel...
NUMBEROCK
Angles
Which type angle is the cutest? Which looks like the antlers on the head of a FULL-GROWN moose?! Find out the answers to these mysterious questions as Earl, our favorite pizza delivery man, takes us on his route for a day to show us...
Scholastic
Study Jams! Classify Triangles
Jam on with this multi-faceted activity teaching triangle classification. Start with a learner-paced lesson describing the different qualities of triangles and follow with a fun karaoke session. Also provided are two types...
Khan Academy
Acute Right and Obtuse Angles, Angles and Intersecting Lines, Geometry
This resource highlights the basics of working with angles and could provide a sound introductory activity for students who are beginning to learn about angles. Eager mathematicians will be introduced to the terminology associated with...
CK-12 Foundation
Classifying Angles: Lesson
It's time to put the angles in place. Using diagrams, the video presents the basic definitions of the four classifications of angles. The segment in an informative playlist on basic geometry also provides informal descriptions of the...
Math Antics
Angle Basics
Take a linear approach to acquaint the class with angles. The video introduces the idea of angles from the notion of intersecting lines. Using the idea of perpendicular lines, the resource defines right, acute, and obtuse angles...
Brightstorm
Radian Measure of Angles - Concept
An informative lesson begins with a concept video explaining how radians are figured. Then it offers videos of four progressively difficult guided practice problems.
Curated OER
What is a Triangle?
Triangles, triangles, triangles. What makes a polygon a triangle? How many types of triangles are there? How do you determine what kind of triangle it is? Watch this video as the teacher explains 'tri' meaning three, making a triangle -...
Corbett Maths
Types of Angle
Angle in on the different types of angles. By watching an informative video, scholars see how to classify angles. It covers acute, right, obtuse, straight, and reflex angles. Some example problems focus on classifying angles given their...
Corbett Maths
Estimating Angles
Sometimes, exact measurements aren't necessary. Scholars learn to estimate the measure of angles by watching a useful video. The method employed here is to use 90-, 180-, and 270-degree angles as benchmarks, adding or subtracting as...
Curated OER
Types of Angles
Acute, obtuse, right, and straight are all different types of angles. This clip provides a brief definition and example of each of the four types of angles. Tip: Have your class go on an angle hunt, the team that finds the most of each...