Instructional Video3:14
Curated Video

Types of Angles

3rd - Higher Ed
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...
Instructional Video5:47
Curated Video

Subtract Angles

K - Higher Ed
The video “Subtract Angles” reviews types of angles and demonstrates how to find unknown angle measures by using a subtraction equation with a symbol for the unknown angle measure.
Instructional Video4:29
Curated Video

Identify Angles

K - 8th
A video entitled "Identify Angles" which discusses the different types of angles and how they can fit together to form other angles.
Instructional Video2:45
Curated Video

Proofs

K - 8th
A video entitled “Proofs” which explores how to set up geometric proofs.
Instructional Video8:11
Curated Video

Angles of Triangles and Similarity

9th - 12th
In this video, the teacher reviews how to find angles in triangles using the triangle angle sum theorem. The teacher walks through four parts of a standardized math test question, showing step-by-step how to find missing angle...
Instructional Video6:54
Curated Video

How to Find Angles Formed by Parallel Lines and a Transversal

9th - 12th
In this video, the teacher explains how to find the measures of angles formed by parallel lines and a transversal. They use the properties of supplementary angles, alternate interior angles, and the triangle sum theorem to solve for the...
Instructional Video5:59
Curated Video

Using Angle Facts

9th - 12th
In this video, the teacher uses angle facts to solve math problems. The students are given a diagram with intersecting lines and angles, and they are asked to write algebraic equations to find the values of X and Y. The teacher walks...
Instructional Video5:44
Curated Video

Identifying Angles: Comparing to Square Angles

K - 5th
In this video, the teacher explains how to identify different types of angles by comparing them to square angles. The lesson covers acute angles, obtuse angles, right angles, and straight angles, providing examples and visuals to help...
Instructional Video4:25
Curated Video

Exploring Angle Properties and Operations

K - 5th
In this video, the teacher explains how angles impact the arrangement of floor tiles and demonstrates how to find unknown angles in real-world situations using angle properties and operations.
Instructional Video3:38
Brian McLogan

Using a Triangle and Parallel Lines to Find the Value of Angles (mistake)

12th - Higher Ed
👉 Learn how to solve for an unknown variable using parallel lines and a transversal theorems. Two lines are said to be parallel when they have the same slope and are drawn straight to each other such that they cannot meet. In geometry,...
Instructional Video6:55
Math Fortress

Geometry: Division of Segments and Angles (Level 7 of 8)

12th - Higher Ed
In this video we will go over 3 slightly more challenging examples involving angle bisectors and angle trisectors.
Instructional Video18:31
msvgo

Angles: Types and Measurement

K - 12th
This nugget teaches the classification of angles based on their measures.
Instructional Video1:08
Brian McLogan

Find the measure of three angles by determining the value of x

12th - Higher Ed
👉 Learn how to find the value of an unknown variable in the expressions representing the values of angles given the relationship between the angles. When given expressions representing the values of angles and the relationship between...
Instructional Video3:17
Brian McLogan

Determine the relationship between two angles

12th - Higher Ed
👉 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,...
Instructional Video2:41
Brian McLogan

Given complementary angles and a straight angle find the missing angle - Math answers

12th - Higher Ed
👉 Learn how to find the value of an unknown variable in the expressions representing the values of angles given the relationship between the angles. When given expressions representing the values of angles and the relationship between...
Instructional Video3:46
Brian McLogan

What are acute, obtuse, right, and straight angles

12th - Higher Ed
👉 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,...
Instructional Video2:45
Brian McLogan

CCSS What is an angle bisector

12th - Higher Ed
👉 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,...
Instructional Video15:25
Curated Video

Understanding Rotations: Identifying and Rotating Figures in the Coordinate Plane

9th - 12th
In this lesson on rotations, students will learn how to identify rotations and rotate figures in the coordinate plane. They will understand the vocabulary of transformations and how to tell when a transformation is a rotation. The lesson...
Instructional Video4:44
Brian McLogan

Classifying angle measures from a figure

12th - Higher Ed
Learn all about angles. An angle is a figure formed by two rays sharing a common endpoint. An angle can be classified as acute, right, obtuse, straight or refrex. An acute angle is an angle which measures less than 90 degrees. A right...
Instructional Video9:33
Curated Video

Identifying and Using Adjacent and Vertical Angles

9th - 12th
In this video lesson, you will discover how to identify adjacent and vertical angles. We will also learn about the relationship between adjacent angles and how to find a missing adjacent angle. We will discuss the relationship between...
Instructional Video6:13
Brian McLogan

CCSS What is the difference between Acute, Obtuse, Right and Straight Angles

12th - Higher Ed
👉 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,...
Instructional Video1:31
Brian McLogan

What are the basic angles in degrees you should know in standard form

12th - Higher Ed
👉 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...
Instructional Video3:08
Brian McLogan

CCSS What is the Angle Addition Postulate

12th - Higher Ed
👉 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,...
Instructional Video2:47
Brian McLogan

What are acute and obtuse angles

12th - Higher Ed
👉 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...