Curated Video
Mixed Numbers and Improper Fractions
"Mixed numbers" and "Improper fractions" are two ways to write the same fraction, but knowing both is important for your mastery of fractions. In this lesson, we'll go over the difference between the two, how to convert from one to...
Curated Video
Mastering Long Division
Sometimes the numbers in math problems aren't always nice and easy numbers to work with. Long division can be frustrating sometimes, especially when the numbers are hard to work with. In this lesson, we'll show you some common types of...
The Business Professor
Economic Value Added - Business Valuation
What is the Economic Value Added Method of business valuation? EVA is the incremental difference in the rate of return (RoR) over a company's cost of capital. Essentially, it is used to measure the value a company generates from funds...
The Business Professor
Earning Capitalization Method - Business Valuation
What is the Earnings Capitalization Method of Business Valuation? The capitalized earnings method consists of calculating the value of a company by discounting future profits with a capitalization rate adjusted to the determining date...
Curated Video
Introduction to Subtraction
In this video, students learn the basic principle of subtraction: taking items away to make a smaller total. We practice using images, drawings, and our fingers to help show subtraction.
Curated Video
Finding 10 to Add and Subtract Quickly
In this video, students learn to anchor problems to number ten, a common way to problem solve. For example, the problem 9+3 might be unfamiliar, but if we split number 3 into 1+2, we can create a ten. We are left with 9+1+2, or 10+2....
Curated Video
Adding and Subtracting with the Mighty 5 Frame
This video teaches us all about adding to 5. Students learn all the different ways to add up to 5 using a five frame. Whether we use 3 plus 2 or 4 plus 1, the five frame always shows 5 in total. Five frames make math quick and easy by...
Curated Video
Absolute Value Equations
Absolute Value Equations shows how to solve absolute value equations by isolating the absolute value on one side of the equal sign.
Curated Video
Like Denominators: Add/Subtract
“Like Denominators: Add/Subtract” shows methods for adding and subtracting fractions that have like denominators, including using a number line.
Curated Video
Review for You: Subtraction
The video titled “Review for You: Subtraction” uses the standard algorithm to solve subtraction problems involving multi-digit numbers.
Curated Video
Evaluate an Expression Using Substitution
In this video, the teacher explains how to evaluate an algebraic expression using substitution. The example given involves substituting the value of B with 4 and then simplifying the expression using order of operations. This video...
Curated Video
Linear Systems with No Solution
In this video, the teacher explains how to identify a system of linear equations with no solution. They discuss the concept of parallel lines and demonstrate how to solve each answer choice to determine if it has a solution or not. The...
Curated Video
Solve and Create Linear Equations with Special Solutions
In this video, the teacher explains how to solve and create linear equations with different types of solutions. They provide step-by-step instructions and examples for finding solutions, proving infinite solutions, and determining the...
Curated Video
How to Find the Quotient
In this math video we will learn how to find the quotient. We will review how to set up long division. We will determine how many times the dividend is divisible by the divisor. An exemplar solution is modeled and explained. This video...
Curated Video
High Five Facts - Roman Numerals
This video explores five fun facts about Roman numerals.
Curated Video
The Periodic Table: Atomic Number
The Periodic Table: Atomic Number examines the Periodic Table of Elements and uses the atomic number to identify the number of protons, neutrons, and electrons in a given element.
Curated Video
Dividing Rational Numbers
"Dividing Rational Numbers” will review the rules and procedures for dividing rational numbers.
Curated Video
Matrices and Basic Operations
This video will explain matrices and give an overview of the basic operations of using them.
Curated Video
Dividing with Base Ten Blocks
Dividing with Base Ten Blocks uses base ten blocks to find quotients for division problems.
Curated Video
Fact Families of 1 and 2
The video “Fact Families of 1 and 2” introduces the concept of fact families, demonstrating how to arrange addition and subtraction number sentences that include the numbers 1 and 2.
Curated Video
Charges in Atoms, Atomic Models, and Quantum Numbers
This video explains how the different particles in an atom have charges, how the different particles affect the overall charges of an atom, and how atomic models are created.
Curated Video
The Mentalizing Brain
UCL developmental psychologist Uta Frith describes how she used brain scanning technology to illustrate that the brain uses specific networks when involved in so-called “mentalizing activities” central to understanding autism.