Curated Video
How to Introduce Angles to Kids
We are getting to know angles with this quirky activity. I love how Alex's face lights up when he sees that a number of angles in each digit corresponds to its value.
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...
Brian McLogan
What are acute, obtuse, right, and straight angles
👉 Learn how to define angle relationships. Knowledge of the relationships between angles can help in determining the value of a given angle. The various angle relationships include: vertical angles, adjacent angles, complementary angles,...
Brian McLogan
CCSS What is the difference between Acute, Obtuse, Right and Straight Angles
👉 Learn how to define angle relationships. Knowledge of the relationships between angles can help in determining the value of a given angle. The various angle relationships include: vertical angles, adjacent angles, complementary angles,...
Curated Video
Door Opening (Identify measurements of special types of angles (e.g. right angles, straight angles, zero angles, acute and obtuse angles))
What does the shape between the door and its edge remind you of?
Curated Video
The Intersection (Solve addition and subtraction problems to find unknown angles on a diagram in real-world and mathematical problems)
Main and commercial streets intersect at a 120 degrees angle. If broadways is another street that is between them and it is perpendicular to Main street. What is the angle between Broadway and commercial streets?
Brian McLogan
What is an angle and it's parts
👉 Learn how to define angle relationships. Knowledge of the relationships between angles can help in determining the value of a given angle. The various angle relationships include: vertical angles, adjacent angles, complementary angles,...
FuseSchool
Types of Angles
An angle measures the amount of turn. So how much has been turned. Angles come up everywhere in life… which is why we need to learn about them. The slope on roofs, so that rain and snow slide off. Pilots use angles to make sure they stay...
Let's Tute
Types of Angles in Geometry
In this video, the teacher explains the different types of angles and their properties using clocks as examples. From acute angles to reflex angles, the video covers nine different types of angles, as well as adjacent, complementary,...
Brian McLogan
Identify the type of angle from a figure acute, right, obtuse, straight ex 1
👉 Learn how to define and classify different angles based on their characteristics and relationships are given a diagram. The different types of angles that we will discuss will be acute, obtuse, right, adjacent, vertical, supplementary,...
Let's Tute
Lines and Angles: Understanding Shapes and Their Elements
Lines and Angles part 1/2: This video is a lesson on the basics of lines and angles. The teacher explains the different types of angles, how they are formed, and their properties. The lesson also covers parallel lines and transversals,...
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...
Khan Academy
Khan Academy: Acute, Right, and Obtuse Angles
Explains the properties of acute, right, and obtuse angles. [5:33]
Khan Academy
Khan Academy: Classifying Triangles
Discusses the different types of triangles and their angles. [6:00]
CK-12 Foundation
Ck 12: Elem Math: Overview of Classification of Angles
[Free Registration/Login may be required to access all resource tools.] Video describing four types of angles - right, acute, obtuse and straight. [1:19]
Loyola University Chicago
Math Flix: Complementary and Supplementary Angle Definitions
This video provides an opportunity to learn about complementary and supplementary angles. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept. [3:41]
Math Mammoth
Math Mammoth: Lines, Rays, and Angles
Explains what lines, line segments, rays, and angles are, and how to measure an angle opening. [6:28]
Math Mammoth
Math Mammoth: Acute, Obtuse, and Right Triangles
This lesson goes over the types of triangles. [7:02]
Khan Academy
Khan Academy: Recognizing Angles
Demonstrates how to solve problems that ask you to identify types of angles. [2:15]
Loyola University Chicago
Math Flix: Congruent Angles
This QuickTime movie provides an opportunity to learn about congruent/vertical angles. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Loyola University Chicago
Math Flix: Complementary/supplementary Angle Computation
This QuickTime movie provides an opportunity to learn about computing the total degrees for complementary and supplementary angles. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying...