Instructional Video3:59
Curated Video

Simplifying Expressions: Distribution and Combining Like Terms

K - 5th
In this video, the teacher explains how to simplify expressions by using distribution and combining like terms. They provide examples and review the concept of finding the perimeter of a rectangle. The lesson emphasizes avoiding common...
Instructional Video5:23
Curated Video

Relating Changes in Cube Edges to Volume Using Polynomial Equations

K - 5th
In this video, we learn how to relate changes in the edges of a cube to changes in its volume using polynomial equations. We explore the concept of polynomial identities and how they can be used to simplify expressions and find the new...
Instructional Video8:32
Math Fortress

Calculus III: The Dot Product (Level 3 of 12)

12th - Higher Ed
This video goes over the dot product also known as the scalar product. This video goes over 11 examples illustrating how to solve problems that make use of the geometric and component definition of the dot product.
Instructional Video14:21
Virtually Passed

2DOF Spring Mass System Proof

Higher Ed
This is an alternate proof for finding the natural frequencies and natural modes for a 2 DOF system. This method can always be used, but it's easier to involve matrices for larger degrees of freedom. The equation of motion can be...
Instructional Video7:07
Why U

Pre-Algebra 27 - Raising Exponential Expressions to Powers

12th - Higher Ed
If a term raised to a power is enclosed in parentheses and then raised to another power, this expression can be simplified using the rules of multiplying exponents.
Instructional Video7:29
Math Fortress

Calculus I: Derivatives of Polynomials and Natural Exponential Functions (Level 2 of 3)

12th - Higher Ed
This video will teach you the basics of calculating the derivative of simple polynomials and exponential functions using the constant multiple, sum and difference rule.
Instructional Video50:12
Institute of Art and Ideas

The Word and the World (long form version)

Higher Ed
The power of words is a wonder, and language perhaps our greatest skill. Yet the gap between the sound of a bell and its description is huge. Are the limits to language so profound that the big questions of science and philosophy are...
Instructional Video4:50
Curated Video

Proving the Relationship between Side Length and Area of a Square

K - 5th
In this video, students learn how to prove a pattern in a relationship by squaring the sum of two terms. They are shown how to distribute the terms and simplify the expressions to arrive at an identity. The video also provides an example...
Instructional Video6:05
Curated Video

Finding Solutions through Intersection on a Graph

K - 5th
In this video, the teacher explains how to find the solutions to a system of equations by graphing them and looking for points of intersection. They demonstrate that a system of equations can have one, more than one, or no solutions,...
Instructional Video10:00
Math Fortress

Calculus I: The Quotient Rule (Level 1 of 3)

12th - Higher Ed
This video will teach you how to find the derivative of functions formed by a quotient of functions by using the quotient rule and going over 3 examples.
Instructional Video9:25
Let's Tute

Basic Trigonometry Identities

9th - Higher Ed
In this video we will learn what is Basic Trigonometry Identities. We will cover the topics such has Trigonometry Identities, Equations & Identities, Application, Some Questions and Derivation.
Instructional Video7:05
Math Fortress

Calculus II : Integration By Parts (Level 6 of 6)

12th - Higher Ed
This video goes over two examples| covering the proper way to find definite integrals that require the use of multiple integration techniques. Specifically| integration by parts and u-substitution.
Instructional Video5:20
Curated Video

Systems of Equations with No Solutions

K - 5th
In this video, the teacher explains the concept of systems of equations with no solutions. They demonstrate this by graphing two equations and showing that they have parallel lines with no points of intersection. They also explain how to...
Instructional Video2:23
Brian McLogan

How to use the pythagorean identity to simplify an expression

12th - Higher Ed
๐Ÿ‘‰ Learn how to simplify rational identities involving addition and subtraction. To simplify rational identities involving addition and subtraction, first, we find the LCM of the denominators which most time is the product of the terms in...
Instructional Video5:26
Curated Video

Polynomial Identity and Combined Area of Consecutive Squares

K - 5th
In this video lesson, students will learn how to describe the combined area of two squares using consecutive integers. They will explore polynomial identities and how to write expressions to represent the relationship between consecutive...
Instructional Video4:46
Virtually Passed

Optimal path to rescue friend - Math Puzzle

Higher Ed
Your friend starts moving in a line with a speed u. You arrive T seconds later and can drive after him in whatever path you like with a speed v. What path guarantees you intersect his position? Timestamps: 0:00 - Introduction & Question...
Instructional Video2:22
FuseSchool

Algebraic Fractions

6th - Higher Ed
Algebraic fractions are simply fractions with algebraic expressions either on the top, bottom or both. We treat them in the same way as we would numerical fractions. In this video we look at how to simplify algebraic fractions, and how...
Instructional Video3:24
Curated Video

Finding and Using the Multiplicative Inverse

K - 5th
In this video, you will learn how to find the multiplicative inverse of a number and use it to write equivalent expressions. The multiplicative inverse, also known as the reciprocal, is the number that, when multiplied by the original...
Instructional Video3:11
FuseSchool

Solving Algebraic Fractions

6th - Higher Ed
Algebraic fractions are simply fractions with algebraic expressions either on the top, bottom or both. We treat them in the same way as we would numerical fractions. In part 1 we saw how to simplify, and add and subtract algebraic...
Instructional Video3:34
FuseSchool

Inequalities

6th - Higher Ed
CREDITS Animation & Design: Jean-Pierre Louw Narration: Lucy Billings Script: Lucy Billings An equalโ€™s sign means two expressions are equal to one another. But sometimes the expressions are not equalโ€ฆ we might only know that something is...
Instructional Video2:38
Brian McLogan

How do you expand logarithmic expressions

12th - Higher Ed
๐Ÿ‘‰ Learn how to condense/expand logarithmic expressions. A logarithmic expression is an expression having logarithms in it. To condense logarithmic expressions means to use the logarithm laws to reduce logarithm expressions from the...
Instructional Video0:48
Brian McLogan

Learn how to evaluate a limit by factoring

12th - Higher Ed
๐Ÿ‘‰ Learn how to evaluate the limit of a function involving rational expressions. The limit of a function as the input variable of the function tends to a number/value is the number/value which the function approaches at that time. The...
Instructional Video4:46
Brian McLogan

Evaluate the sum of two angles with cosine

12th - Higher Ed
๐Ÿ‘‰ Learn how to evaluate the cosine of an angle in radians using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, then we use the unit circle and the...
Instructional Video11:45
Packt

Function Declarations & Expressions

Higher Ed
JavaScript Language Fundamentals: Function Declarations & Expressions This clip is from the chapter "JavaScript Language Fundamentals" of the series "Modern JavaScript from the Beginning".In this section, you will learn the important...