Instructional Video13:09
Schooling Online

Physics Kinematics: Motion in a Straight Line - Graphical Vector Resolution

3rd - Higher Ed
The roof collapses around Vector Man! How will he escape the ruins of Lexi Luthor’s hideout? This lesson will explain the steps needed to graphically resolve a 2D vector into two perpendicular components. Definitions included: vector...
Instructional Video9:00
Brian McLogan

Where does the interior angle sum theorem come from

12th - Higher Ed
πŸ‘‰ Learn about the interior and the exterior angles of a polygon. A polygon is a plane shape bounded by a finite chain of straight lines. The interior angle of a polygon is the angle between two sides of the polygon. The sum of the...
Instructional Video6:43
Brian McLogan

What is the definition of a regular polygon and how do you find the interior angles

12th - Higher Ed
πŸ‘‰ Learn about polygons and how to classify them. A polygon is a plane shape bounded by a finite chain of straight lines. A polygon can be concave or convex and it can also be regular or irregular. A concave polygon is a polygon in which...
Instructional Video6:31
Brian McLogan

Finding the length of a triangle using algebraic expression and perimeter - Online tutor

12th - Higher Ed
πŸ‘‰ Learn how to find the area and perimeter of triangles. A triangle is a shape of three sides. The area of a shape is the measure of the portion enclosed by the shape while the perimeter of a shape is the measure of the outline enclosing...
Instructional Video1:28
Visual Learning Systems

What Is the Water Cycle?: Condensation

9th - 12th
This beautiful program illustrates the key components of the water cycle that occurs everywhere around us. Concepts and terminology: condensation, evaporation, precipitation, cloud, rain, snow, sleet, and hail.
Instructional Video4:44
Curated Video

Graphing Lines in Slope-Intercept Form

K - 5th
In this video, the teacher explains how to graph a line using the slope-intercept form of an equation. The examples provided demonstrate how to find the y-intercept and slope, and how to plot points to create the line on a graph.
Instructional Video5:20
Curated Video

Drawing Triangles: Connecting Three Straight Sides

K - 5th
In this video, the teacher explains how to draw a triangle by connecting three straight sides. They address common misunderstandings about triangles, such as the sides not needing to be straight or the same length.
Instructional Video4:04
Brian McLogan

What does it mean to isolate a variable

12th - Higher Ed
πŸ‘‰ Learn all about the processes and definitions for solving linear equations. You will gain a better understanding about the vocabulary and steps used to solve liner equations such as how to isolate an equation and apply inverse...
Instructional Video5:23
Brian McLogan

What is the interior angle sum theorem for polygons

12th - Higher Ed
πŸ‘‰ Learn about the interior and the exterior angles of a polygon. A polygon is a plane shape bounded by a finite chain of straight lines. The interior angle of a polygon is the angle between two sides of the polygon. The sum of the...
Instructional Video2:02
Brian McLogan

What is the Pythagorean Inequality Theorem

12th - Higher Ed
πŸ‘‰ Learn all about classifying triangles. A triangle is a closed figure with three sides. A triangle can be classified based on the length of the sides or based on the measure of the angles. To classify a triangle based on the length of...
Instructional Video1:37
Brian McLogan

How to find x for a secant and a tangent line of a circle

12th - Higher Ed
Learn how to solve problems with secant lines. A secant line is a line that intersects a circle at exactly 2 points in contrast to a tangent line which is a line that touches a circle at exactly one point. When two secant lines...
Instructional Video14:44
KnowMo

Angles in Polygons: Calculating Interior and Exterior Angles

12th - Higher Ed
This video is a lecture presentation on angles in polygons. The presenter explains what a polygon is and how to calculate angles inside of it. They highlight the importance of triangles in finding the interior angles of shapes and...
Instructional Video5:29
Curated Video

Using Exponential Equations and Natural Logarithms to Solve Real Life Problems

K - 5th
In this video, the teacher explains how to solve a real-life exponential equation using the natural logarithm. The example used is determining how long it will take for hot soup to cool down to a comfortable temperature. The teacher...
Instructional Video4:50
Brian McLogan

Given the vertex and focus learn to write the equation of the parabola in standard form

12th - Higher Ed
Learn how to write the equation of a parabola given the vertex and the focus. A parabola is the shape of the graph of a quadratic equation. A parabola can open up or down (if x is squared) or open left or right (if y is squared). Recall...
Instructional Video5:48
Curated Video

Calculating Speed: Distance, Time, and Equations

9th - Higher Ed
This is a lecture video on the topic of calculating speed. The video explains how to calculate the speed of an object based on its distance travelled and time taken. The presenter uses simple examples to illustrate the equations used to...
Instructional Video2:32
Brian McLogan

What are four types of polygons

12th - Higher Ed
πŸ‘‰ Learn about polygons and how to classify them. A polygon is a plane shape bounded by a finite chain of straight lines. A polygon can be concave or convex and it can also be regular or irregular. A concave polygon is a polygon in which...
Instructional Video2:05
Brian McLogan

How to find the sum of interior angles for a heptagon

12th - Higher Ed
πŸ‘‰ Learn how to determine the sum of interior angles of a polygon. A polygon is a plane shape bounded by a finite chain of straight lines. A regular polygon is a polygon whose sides are congruent (equal). The interior angle of a polygon...
Instructional Video1:32
Brian McLogan

Determine if the sides of a triangle produce a right triangle ex 1

12th - Higher Ed
πŸ‘‰ 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 Video5:40
Curated Video

Identifying Points, Rays, Lines, and Line Segments

K - 5th
In this lesson, students will learn how to identify geometric figures such as points, lines, rays, and line segments. Through observation, they will understand the characteristics of each figure and how to label them correctly.
Instructional Video3:01
Brian McLogan

Using the properties of Natural logs to solve an exponential equations

12th - Higher Ed
πŸ‘‰ Learn how to solve exponential equations in base e. An exponential equation is an equation in which a variable occurs as an exponent. e is a mathematical constant approximately equal to 2.71828. e^x is a special type of exponential...
Instructional Video4:41
Brian McLogan

Graphing a linear inequality by rewriting the equation into slope intercept form

12th - Higher Ed
πŸ‘‰ Learn how to graph linear inequalities written in standard form. Linear inequalities are graphed the same way as linear equations, the only difference being that one side of the line that satisfies the inequality is shaded. Also broken...
Instructional Video12:56
Schooling Online

Physics Kinematics: Motion in a Straight Line - Algebraic Vector Resolution

3rd - Higher Ed
Every criminal must pay for their crimes! But as Vector Man prepares to lock Carmen behind bars, a third player enters the game… This lesson will explain how to algebraically resolve a 2D vector into two perpendicular components, such as...
Instructional Video4:13
Curated Video

Proving Triangle Similarity Algebraically

K - 5th
In this video, the teacher explains how to prove the similarity of triangles algebraically using ratios of corresponding sides. The lesson begins by reviewing the concept of proportionality and then applies it to triangles. The teacher...
Instructional Video7:55
Zach Star

The Math Needed for Computer Science (Part 2) - Number Theory and Cryptography

12th - Higher Ed
The Math Needed for Computer Science (Part 2) Number Theory and Cryptography