Instructional Video11:01
Cerebellum

Geometry - Definitions

9th - 12th
Understand and making sense of geometry: Triangles, and their angles. This is part 1 from the series 'Geometry Program'.
Instructional Video6:11
Brian McLogan

Determine if a set of points makes up a rectangle using the distance formula

12th - Higher Ed
👉 Learn how to determine the figure given four points. A quadrilateral is a polygon with four sides. Some of the types of quadrilaterals are: parallelogram, square, rectangle, rhombus, kite, trapezoid, etc. Each of the types of...
Instructional Video3:09
Brian McLogan

How to determine the converse inverse and contrapositive from a statement

12th - Higher Ed
👉 Learn how to find the inverse, the converse, and the contrapositive of a statement. The contrapositive of a statement is the switching of the hypothesis and the conclusion of a conditional statement and negating both. If the hypothesis...
Instructional Video6:42
Math Fortress

Geometry: Beginning Proofs (Level 3 of 3)

12th - Higher Ed
In this video we go over 3 examples that illustrates how to use previously proven theorems, assumptions, properties of real numbers, variables, and operations as a reason in a proof.
Instructional Video1:44
Brian McLogan

How to Determine Corresponding Parts of a Triangle - Congruent Triangles

12th - Higher Ed
👉 Learn how to find the corresponding pairs of congruent triangles. Two or more triangles are said to be congruent if they have the same shape and size. To determine the corresponding congruent parts of a triangle, we use the congruent...
Instructional Video1:53
Brian McLogan

how to find the measure of x using an isosceles triangle

12th - Higher Ed
👉 Learn how to find the missing side of a triangle. A triangle is a polygon with three sides. Triangles are classified on the basis of the angles or on the basis of the sides. The classification of a triangle on the basis of the sides...
Instructional Video5:37
Let's Tute

Some Stupid Math Mistakes: Similarity and Congruency of Triangles

9th - Higher Ed
The video is a teacher-led lesson on similarity and congruency of triangles, with a focus on their criteria for being similar or congruent. The video includes questions for the viewer to attempt and emphasizes the importance of making...
Instructional Video5:03
Curated Video

Establish Circle Similarity Using Similar Triangles

K - 5th
In this video, the concept of similarity between circles is explained using the concept of similar triangles. It demonstrates how to determine if two circles with different radii are similar by examining the corresponding angles and...
Instructional Video5:05
Curated Video

Understanding Translations: Coordinating on a Coordinate Plane

K - 5th
In this video, students learn how to determine the coordinates of translated figures without actually drawing them. The teacher explains the concept of translations and emphasizes the importance of correctly manipulating the X and Y...
Instructional Video3:51
Curated Video

Recognizing Congruent Figures through Multiple Transformations

K - 5th
This video explains how to prove that two figures are congruent even after undergoing multiple transformations such as translations, rotations, and reflections. By demonstrating the correct sequence of transformations and examining...
Instructional Video4:37
Brian McLogan

Using AAS to Prove Two Triangles are Congruent - Congruent Triangles

12th - Higher Ed
👉 Learn how to prove that two triangles are congruent. Two or more triangles are said to be congruent if they have the same shape and size. There are many postulates and theorems to determine whether two triangles are congruent. They...
Instructional Video3:53
Curated Video

Understanding Isosceles Triangle Properties

9th - 12th
This video explains the properties of an isosceles triangle and helps viewers answer a standardized math test question about it. The teacher breaks down each answer choice and shows how to arrive at the correct answer.
Instructional Video5:11
Curated Video

Rotating Quadrilaterals: Changes and Similarities

K - 5th
In this video lesson, students will learn about rotating a quadrilateral and the changes that occur. The teacher explains concepts such as congruent line segments, congruent angles, and parallel lines. Students will also explore how the...
Instructional Video0:49
Brian McLogan

Learn how to classify a triangle by it's sides ex 8

12th - Higher Ed
👉 Learn how to classify triangles. A triangle is a polygon with three sides. Triangles are classified on the basis of its angles or on the basis of its side lengths. The classification of triangles on the bases of its angles are: acute,...
Instructional Video3:05
KnowMo

Understanding Similarity and Congruence in Geometry

12th - Higher Ed
This video explains the concepts of congruence and similarity of shapes in mathematics. The speaker then explains how to calculate the scale factor, which determines the ratio between the lengths of the corresponding sides of two similar...
Instructional Video1:38
Curated Video

Find Corresponding Angles of Similar Triangles

9th - 12th
In this short video we will answer a standardized math test question where we are asked to identify a missing angle of a triangle. We will review the definition and meaning of similar triangles. We will identify which angle corresponds...
Instructional Video5:23
Curated Video

Determining Similarity of Figures Using Dilations and Scale Factors

K - 5th
This video explains how to determine if two figures are similar using dilations and scale factors. It reviews the concept of similar figures, which have the same shape but different sizes and corresponding congruent angles. The video...
Instructional Video2:35
Brian McLogan

Using the Isosceles triangle theorem to find the measure of x

12th - Higher Ed
👉 Learn how to find the missing side of a triangle. A triangle is a polygon with three sides. Triangles are classified on the basis of the angles or on the basis of the sides. The classification of a triangle on the basis of the sides...
Instructional Video10:29
Let's Tute

Circle Theorems: An Introduction

9th - Higher Ed
Circle Theorems part 1/3: In this video, the teacher breaks down the concept of theorems related to circles and provides a step-by-step explanation of 12 theorems. The teacher also covers basic concepts and terms related to circles and...
Instructional Video5:45
Brian McLogan

What are the properties that make up a parallelogram

12th - Higher Ed
👉 Learn how to solve problems with parallelograms. A parallelogram is a four-sided shape (quadrilateral) such that each pair of opposite sides are parallel and are equal. Some of the properties of parallelograms are: each pair of...
Instructional Video4:09
Brian McLogan

How congruent triangles compare to similar triangles

12th - Higher Ed
👉 Learn how to solve with similar triangles. Two triangles are said to be similar if the corresponding angles are congruent (equal). Note that two triangles are similar does not imply that the length of the sides are equal but the sides...
Instructional Video4:03
Curated Video

Identifying Shapes by Classification

K - 5th
In this video, the teacher explains how to identify the attributes of shapes by using their classifications. The focus is on shapes that have exactly two pairs of congruent sides. The teacher provides examples of shapes like...
Instructional Video3:56
Brian McLogan

Determining Corresponding Parts of Two Congruent Triangles - Congruent Triangles

12th - Higher Ed
👉 Learn how to find the corresponding pairs of congruent triangles. Two or more triangles are said to be congruent if they have the same shape and size. To determine the corresponding congruent parts of a triangle, we use the congruent...
Instructional Video3:47
Brian McLogan

Proving two triangles are similar two different ways

12th - Higher Ed
👉 Learn how to solve for the unknown in a triangle divided internally such that the division is parallel to one of the sides of the triangle. The triangle proportionality theorem states that if a line is parallel to one side of a...