Instructional Video9:33
Math Fortress

Geometry: Beginning Proofs (Level 1 of 3) | Algebra Proofs, Geometric Proofs

12th - Higher Ed
In this video we will learn how to write simple two-column proofs. We will first cover algebraic proofs, then we will go over the elements of an axiomatic system, the video ends with an introduction to geometric proofs.
Instructional Video6:34
Brian McLogan

Master writing a two column algebraic proof

12th - Higher Ed
Master writing a two column algebraic proof
Instructional Video7:05
Brian McLogan

Learn how to write an algebraic proof

12th - Higher Ed
👉 Learn how to write an algebraic proof. Algebraic proofs are used to help students understand how to write formal proofs where we have a statement and a reason. In the case of an algebraic proof the statement will be the operations used...
Instructional Video8:00
Brian McLogan

Learning to write an algebraic proof

12th - Higher Ed
👉 Learn how to write an algebraic proof. Algebraic proofs are used to help students understand how to write formal proofs where we have a statement and a reason. In the case of an algebraic proof the statement will be the operations used...
Instructional Video6:47
Brian McLogan

How to write an algebraic proof

12th - Higher Ed
👉 Learn how to write an algebraic proof. Algebraic proofs are used to help students understand how to write formal proofs where we have a statement and a reason. In the case of an algebraic proof the statement will be the operations used...
Instructional Video8:07
Math Fortress

Geometry: Division of Segments and Angles (Level 2 of 8)

12th - Higher Ed
In this video we will apply the concepts learned from the previous video to solve 6 basic problems related with division of segments and angles.
Instructional Video7:04
Let's Tute

Similar Triangles - Geometry

9th - Higher Ed
In this online math video we will learn about similar triangles.This online math video help us to know about concept of similarity with respect to triangles.
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 Video1:04
Brian McLogan

Alternate Exterior Angles Theorem with Parallel Lines

12th - Higher Ed
👉 Learn how to write an algebraic proof. Algebraic proofs are used to help students understand how to write formal proofs where we have a statement and a reason. In the case of an algebraic proof the statement will be the operations used...
Instructional Video6:30
Let's Tute

Circle Theorems - Part 3

9th - Higher Ed
Covers the tricks to understand circle theorems & know what each theorem states. Also covers the basics knowledge required before solving a Circles theorems.
Instructional Video8:22
Let's Tute

Introduction to Circles: Terminologies and Concepts

9th - Higher Ed
The video teaches basic terminologies and concepts related to circles, using a circular park as an example. It covers the definitions of a circle, radius, diameter, chord, secant, segment, arc, circumference, tangent, and sector. It also...
Instructional Video9:18
Let's Tute

Circle Theorems - Part 2

9th - Higher Ed
Covers the tricks to understand circle theorems & know what each theorem states. Also covers the basics knowledge required before solving a Circles theorem.
Instructional Video3:30
Brian McLogan

Conics what is the formula for a circle

12th - Higher Ed
Learn all about the definition and formula that makes up a circle. Understanding the basics of circles will help us graph and write the equation of circles to solve future problems in conic sections. A circle has a center (h,k) and...
Instructional Video3:24
Curated Video

Amazing Math Trick Schools Don't Teach - Egyptians/Russian Peasant Method

6th - 11th
You can multiply two numbers if you know how to double, halve, and add up numbers. This is really interesting: basically the Egyptians were using binary multiplication! Watch the video to see how it works. READ why this method works:...
Instructional Video6:41
Let's Tute

Sum Of the Measures of Angles in a Triangle is 180 Degree

9th - Higher Ed
This video covers All About 'Lines & Angles' Such as - Introduction to Lines & Angles - Types of Angles - Theorems
Instructional Video3:21
Brian McLogan

What is the division algorithm and what does it look like for polynomials

12th - Higher Ed
👉 Learn about and how to apply the remainder and factor theorem. The remainder theorem states that f(a) is the remainder when the polynomial f(x) is divided by x - a. Thus, given a polynomial, f(x), which is to be divided by a linear...
Instructional Video3:11
CK-12 Foundation

Two-Column Proofs: Lesson

9th - 12th
Why is it a two-column proof? A video introduces the class to the concept of a two-column proof and how to set one up. The segment of a playlist on basic geometry highlights the types of reasons that can be in a proof.
Instructional Video3:40
CK-12 Foundation

Indirect Proofs in Algebra and Geometry: Lesson

7th - 12th
Indirectly, it is a good proof method. A segment of a playlist on geometry introduces a way to prove geometric and algebraic statements. Using a general examples, the video shows how to develop an indirect proof.
Instructional Video2:09
CK-12 Foundation

Conjectures and Counterexamples: Lesson

9th - 11th
The first five are red, so they all must be red, right? As part of a larger playlist on basic geometry, the video walks through an example of a conjecture and counterexamples by using a scenario of pulling candy out of a bag.
Instructional Video2:38
CK-12 Foundation

Same Side Interior Angles: Lesson

9th - 12th Standards
Supplement your scholars' knowledge of angles involved with parallel lines. Using the properties of alternate interior angles and linear pairs, the presenter shows interior angles located on the same side of a transversal of parallel...
Instructional Video1:46
CK-12 Foundation

Alternate Exterior Angles: Lesson

9th - 12th Standards
Use an alternate approach to parallel lines. A resource in a comprehensive playlist on basic geometry develops the concept of alternate exterior angles and parallel lines. The presentation demonstrates how to identify alternate exterior...
Instructional Video3:02
CK-12 Foundation

Isosceles Triangles: Lesson

8th - 11th Standards
Two sides give us two angles. A segment of a playlist on basic geometry revisits isosceles triangles. The presentation explains several properties and theorems related to isosceles triangles.
Instructional Video4:37
CK-12 Foundation

Using the Pythagorean Theorem: Lesson

8th - 11th Standards
Is it right to use the converse? A segment of a basic geometry playlist introduces the Pythagorean Theorem and its converse. The video uses Pythagorean triples when finding whether a triangle is a right triangle or not.
Instructional Video2:43
CK-12 Foundation

Proportions with Angle Bisectors: Lesson

8th - 11th Standards
Half at one end becomes proportional on the other. As part of a basic geometry playlist, the video introduces the Angle Bisector Theorem. The presentation uses the theorem to find missing lengths in triangles.