Curated Video
Biome
This live-action video program is about the word biome. The program is designed to reinforce and support a student's comprehension and retention of the word biome through use of video footage, photographs, diagrams and colorful, animated...
Curated Video
Dividing Decimals Using a Number Line
In this video, students learn how to divide decimals using a number line. The teacher emphasizes the importance of considering the decimal point when dividing and demonstrates how to use a number line to visualize the division process....
Brian McLogan
Dividing a fraction by a whole number
👉 Learn how to divide mixed numbers. To divide mixed numbers, we first convert the mixed numbers to improper fractions. After we have converted the mixed numbers to improper fractions, we can then multiply the first fraction by the...
Brainwaves Video Anthology
Troy Campbell - The Psychology of Why We Deny
Troy Campbell is an expert in consumer behavior, marketing social psychology, political psychology, and scientific communication. At the University of Oregon, he is an assistant professor of marketing in the Lundquist College of...
Curated Video
Concentrations in Moles per Decimeter Cubed: Understanding Molar Concentration and Converting Between Units in mol/dm3
This video covers concentrations in moles per decimeter cubed, explaining the concept of concentration, how to calculate concentration using mass and volume, and why moles are useful in chemistry. The video also covers how to convert...
Curated Video
Using Standard Form in Chemistry: Expressing Large and Small Numbers for Calculations
The video explains the use of standard form in chemistry to express very large or very small numbers in a more manageable way for calculations. It provides examples of converting numbers to standard form and demonstrates how to multiply...
Brian McLogan
Find the derivative of the reciprocal function using the difference quotient
👉 Learn how to evaluate the limit of a function using the difference quotient formula. The difference quotient is a measure of the average rate of change of the function over an interval, h. The limit of the difference quotient gives the...
Brian McLogan
Learn how to find the angle between two vectors
Learn how to determine the angle between two vectors. To determine the angle between two vectors you will need to know how to find the magnitude, dot product and inverse cosine. Then, the angle between two vectors is given by the inverse...
Brian McLogan
Determining the resultant vector from adding two vectors
Learn how to add/subtract vectors. Vectors can be added, subtracted and multiplied. To add or subtract two or more vectors, we simply add each of the corresponding components of the vectors.
60 Second Histories
Pyramid workers
An Egyptian pyramid worker describes where the workers came from, where they lived and also explains how they worked in crews under a foreman.
Math Fortress
Geometry: Division of Segments and Angles (Level 7 of 8)
In this video we will go over 3 slightly more challenging examples involving angle bisectors and angle trisectors.
Curated Video
Mastering Quantitative Skills for Economics
The video discusses the essential quantitative skills that modern-day economists should possess to successfully handle and interpret data and statistics related to economies, trade figures, and budget figures. The video goes over various...
Brian McLogan
Write the rule of a geometric sequence given 2nd and 5th term
👉 Learn how to find the nth term of a geometric sequence. A sequence is a list of numbers/values exhibiting a defined pattern. A number/value in a sequence is called a term of the sequence. A geometric sequence is a sequence in which...
Brian McLogan
How to use the quadratic formula to solve a quadratic equation
👉 Learn how to solve quadratic equations using the quadratic formula. A quadratic equation is an equation whose highest power on its variable(s) is 2. The quadratic formula is a formula which can be used to find the roots of (solve) a...
Brian McLogan
Summary for solving one variable inequalities
👉 Learn about solving an inequality and graphing it's solution. An inequality is a relation where the expression in the left hand side is not equal to the expression in the right hand side of the inequality sign. A linear inequality is...
Brian McLogan
Given the number of sides of a regular polygon find the measure of each interior angle
👉 Learn how to determine the measure of the interior angles of a regular 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...
Brian McLogan
Using Parallel Lines to Find your Variables X and Y
👉 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,...
Brian McLogan
Using Consecutive Interior Angles to Prove Parallel Lines
👉 Learn how to prove parallel lines and relationship between parallel lines and transversals. You also learn how to find the missing value to show you that two angles are supplementary or equal to prove parallel lines. This is based off...
History Hit
The Silk Roads: Ideas and Religion: Nestorian Christianity
How well received was this form of religion and why did the Mongols favor it? What was Xi'an like during the Tang dynasty? The Silk Roads: Ideas and Religion, Part 4
Healthcare Triage
Life Expectancy and the United States' Inequality Problem
Healthcare Triage often notes that lots of health metrics are improving in the US. But that is not the case with life expectancy. Life span is decreasing, and the losses are not equally distributed. The lives of the poor are getting...
Curated Video
Dividing with a Sharing Model
In this lesson, students learn how to divide using a sharing model. The teacher demonstrates the process of sharing chocolates and doughnut holes equally among a group of kids.
Why U
Pre-Algebra 12 - Arithmetic Operations With Fractions
Arithmetic operations with fractions can be visualized using the number line. This chapter starts by adding fractions with the same denominators and explains the logic behind multiplication of fractions.
Brian McLogan
Solving Exponential equations
👉 Learn how to solve exponential equations. An exponential equation is an equation in which a variable occurs as an exponent. To solve an exponential equation, we isolate the exponential part of the equation. Then we take the log of both...
Brian McLogan
Learn How to Find the Unit Vector Given a Vector as a Linear Combination
Learn how to determine the unit vector of a vector in the same direction. The unit vector is a vector that has a magnitude of 1. The unit vector is obtained by dividing the given vector by its magnitude.