Instructional Video10:33
Easy Languages

12 Weird English Expressions | Easy English 66

12th - Higher Ed
12 Weird English Expressions | Easy English 66 Easy Languages is an international video project aiming at supporting people worldwide to learn languages through authentic street interviews and expose the street culture of participating...
Instructional Video2:03
Visual Learning Systems

Properties of Numbers: Associative Property of Addition

9th - 12th
This math program explores the major mathematical laws on properties including the cummutative property, associative property, and additive identity property. Colorful real-world examples help make these confusing concepts easy to...
Instructional Video10:27
Let's Tute

All About Algebraic Expressions

9th - Higher Ed
This video discusses algebraic expressions and concepts related to them, such as terms, factors, coefficients, like and unlike terms, and degree. It also introduces the classification of expressions based on the number of terms, and...
Instructional Video8:01
Math Fortress

Differential Equations: Systems of Differential Equations

12th - Higher Ed
This video introduces the basic concepts associated with solutions of ordinary differential equations. This video covers the basics of systems of ordinary differential equations. This video also goes over two examples illustrating how to...
Instructional Video4:10
Curated Video

Understanding Algebraic Expressions through Real World Scenarios

K - 5th
In this video, students learn how to determine if they have written an algebraic expression correctly by analyzing real-world scenarios. They are taught to define the variable, identify the unknown amount they are looking for, and...
Instructional Video3:54
Curated Video

Reading and Writing with Variables

K - 5th
In this video, students will learn how to read and write algebraic expressions using variables. They will understand the importance of carefully reading and notating expressions, as well as how to identify the correct operation based on...
Instructional Video5:00
Curated Video

Finding Near Squares Using Polynomial Identities

K - 5th
In this lesson, students will learn how to find the nearest square of a number using a polynomial identity. They will understand the concept of a near square, which is a number that is one unit less than a perfect square. By applying the...
Instructional Video15:57
Why U

Algebra 41 - Using Systems of Equations Versus One Equation

12th - Higher Ed
When should a system of equations with multiple variables be used to solve an Algebra problem, instead of using a single equation with a single variable?
Instructional Video4:52
Curated Video

Understanding Polynomials: What Makes a Polynomial a Polynomial?

K - 5th
In this video, the teacher explains what makes a polynomial a polynomial. They define a polynomial as a set of expressions that follow a specific form, with non-negative integer exponents and coefficients. The teacher provides examples...
Instructional Video3:50
Curated Video

Alternative Notation for Multiplication and Division in Algebraic Expressions

K - 5th
In this lesson, we learned alternative ways to show multiplication and division in algebraic expressions. Instead of using the traditional X symbol for multiplication, we can use a dot or parentheses to indicate multiplication....
Instructional Video3:57
Curated Video

Multiplying Integers: Using Patterns to Learn

K - 5th
In this video, the teacher explains how patterns can help students learn to multiply integers. By observing the patterns in multiplication tables, students can understand the rules for multiplying positive and negative numbers.
Instructional Video3:04
Curated Video

Writing Expressions with Visual Models

K - 5th
This video is an educational lesson about how to write expressions to represent numerical calculations using visual models. The instructor explains what expressions are and provides examples. The video then goes on to show how to break...
Instructional Video5:53
Professor Dave Explains

Multiplying Binomials by the FOIL Method

12th - Higher Ed
Understanding the FOIL method.
Instructional Video4:41
Professor Dave Explains

Introduction to Polynomials

12th - Higher Ed
Understanding polynomials.
Instructional Video5:17
Curated Video

Solving Quadratic Equations by Factoring

K - 5th
In this video lesson, students will learn how to solve quadratic equations by factoring. The teacher explains the zero product property and the concept of factors, and then discusses common mistakes to avoid. The teacher provides...
Instructional Video4:47
Curated Video

Identifying Rational Numbers

K - 5th
In this video, the teacher explains what rational numbers are and how to determine if a number is rational. They define rational numbers as any number that can be written as a fraction, where the denominator is not zero. The video...
Instructional Video7:29
Curated Video

Linear and Quadratic Expressions and Equations: Understanding the Difference

K - 5th
In this video, the teacher explains the difference between linear and quadratic equations and how to model different situations using each. They provide examples of linear expressions and equations, as well as quadratic expressions and...
Instructional Video4:52
Curated Video

Solving Rational Equations and Checking for Extraneous Solutions

K - 5th
In this video, the teacher explains how to solve rational equations by eliminating the denominators and checking for extraneous solutions. They provide examples and step-by-step instructions on factoring the denominators, multiplying by...
Instructional Video6:00
Extra English Practice

Vocabulary: Egg Idioms

9th - 12th
English vocabulary lesson explaining three idioms related to eggs. Literal and figurative explanations and examples.
Instructional Video7:16
Curated Video

Solving Real World Problems with Expressions and Parentheses

K - 5th
This video teaches students how to solve multi-step problems using expressions with parentheses. It provides examples and step-by-step instructions on how to identify important information, draw a picture to represent the problem, and...
Instructional Video6:21
Curated Video

Understanding Linear and Quadratic Expressions

K - 5th
In this video, the teacher explains the difference between linear and quadratic expressions. Linear expressions contain a variable and describe constant rates, while quadratic expressions include an x squared term and are used in...
Instructional Video5:25
Curated Video

Writing Algebraic Expressions for Real World Scenarios

K - 5th
In this video, the teacher explains how to write algebraic expressions for real-world scenarios. They review the concept of variables and expressions, as well as the difference between equations and expressions.
Instructional Video5:28
Curated Video

Solving Real World Problems with Rational Equations

K - 5th
This video explains the concept of rational expressions and equations, the importance of checking for extraneous solutions, and the process of solving equations by multiplying by the least common denominator. Through various examples,...
Instructional Video4:57
Britlish

Bubble Idioms (subtitles)

9th - 12th
Idioms are an important part of the English language, and this video looks at British English idioms associated with bubbles. There are subtitles on screen and the narrator narrates with clear standard British accent. Carefully selected...