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Curated Video
Adding and Subtracting with Number Lines
The video teaches viewers how to add and subtract numbers using a number line. The lesson includes reviewing basic math principles such as adding numbers in any order and adding zero. The video also shows how to count efficiently on the...
Brian McLogan
Combining a radical expression
👉 Learn how to add or subtract radicals. A radical is a number or an expression under the root symbol. Radicals can only be added or subtracted if the numbers or expressions under the roots are the same for all terms. To add or subtract...
Curated Video
Implementing Lives System in Scratch Game
In this video tutorial, the teacher demonstrates how to implement a lives system in a game using variables and coding blocks. The tutorial covers both scenarios of restarting the game when lives reach zero and ending the game with a...
IDG TECHtalk
How to use the ac command: 2-Minute Linux Tips
Learn how to use the ac command. It reports on user login times, so if you’re interested in knowing how much time various users are spending on a Linux server, this command is a good choice.
KnowMo
Mastering Addition: From Basic Concepts to Column Addition
The video is a lecture presentation on addition. The presenter discusses the four main operations in mathematics and explains that the lecture will focus on addition. The concept of addition is then explained using simple examples and...
Curated Video
CompTIA Security+ Certification SY0-601: The Total Course - The Metasploit Framework
Penetration testers can use the cross-platform Metasploit framework command-line tool for discovering and exploiting security flaws on hosts.
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This clip is from the chapter "Testing Infrastructure" of the series "CompTIA...
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This clip is from the chapter "Testing Infrastructure" of the series "CompTIA...
Math Fortress
GRE Arithmetic: Integers (Part 1 of 4)
This video is a review of basic arithmetic for the purpose of solving problems on the quantitative reasoning section of the GRE revised General Test. This video covers the basics of integers. Topics covered include: Number Lines,...
Brian McLogan
Writing the domain of a rational function with a radical in the denominator
👉 Learn how to find the domain of rational functions with a radical denominator. Recall that the domain of a function is the set of possible input values (x-values) of the function. For a rational function, the denominator cannot be zero...
TED Talks
A practical guide to taking control of your life | Cate Hall
The real lever of a meaningful life isn’t intelligence or hustle — it’s personal agency, says Cate Hall, former Supreme Court attorney and once the world’s top-ranked female poker player. Sharing her journey from the throes of addiction...
Brian McLogan
Basic Math - Adding and subtracting numbers
👉 You will learn how to add and subtract integers. We will work through adding and subtracting two integers up to multiple integers. We can look at adding and subtracting integers by looking at there values on a number line where there...
Kids Academy
Solving Problems With Number Lines | Math | 1st Grade | Kids Academy
Welcome our new video: Solving Problems With Number Lines | Math | 1st Grade | Kids Academy Number lines are a very early concept in mathematics. If it's taught properly it can actually be a very easy concept to understand and very...
Curated Video
How to Use an Eyeliner Makeup Brush
Howcast - Learn how to use an eyeliner brush from makeup artist Brittney Rose in this Howcast makeup tutorial.
Curated Video
Estimating Fractional Quotients Using Basic Multiplication and Division Facts
In this video, the teacher explains how to estimate the number of boxes each team member needs to sell and the number of cars needed for a trip. By using basic multiplication and division facts, the teacher demonstrates how to determine...
Professor Dave Explains
Practice Problem: Isotopic Abundance and Atomic Mass
In the general chemistry series we learned about nuclide symbols, which all imply a specific atomic number and mass number. Associated with this were isotopes, and average atomic mass. Given the relative abundances of all the isotopes of...
Curated Video
Darksiders 2 Walkthrough Part 24 - Chapter 3
Howcast - Check out part 24 and become Death in this walkthrough of THQ's new release, Darksiders 2.
Brian McLogan
Evaluate Inverse Trig Functions - Step by Step
👉Learn how to evaluate inverse trigonometric functions and understand why we have to apply restriction.
The March of Time
1953: CAMDEN, SOUTH CAROLINA: MS Handmade window card 'Camden Players present The Shop at Sly Corner...' , Raising card REVEALS Stage w/ rehearsal in progress, VS Beth Lindenstruth, Ted Marshall, Barbara Harmon, Ken Zabriskie , Babs Whelan rehearsing.
MOT 1953: CAMDEN, SOUTH CAROLINA: MS Handmade window card 'Camden Players present The Shop at Sly Corner...' , Raising card REVEALS Stage w/ rehearsal in progress, VS Beth Lindenstruth, Ted Marshall, Barbara Harmon, Ken Zabriskie , Babs...
Curated Video
Comparing Data on a Graph
Miss Palomine reviews her Cars, Buses, Trucks graph. She then tells the student about Socrates’s cookie-eating contest and how he will practice for the contest. Socrates will choose 10 cookies from a jar of 20 different kinds of cookies....
Curated Video
Representing Inequalities Graphically and Solving Practical Problems
The video is a tutorial on representing inequalities graphically. The presenter starts by recapping some basic information such as the symbols used and how to represent inequalities on a number line. Then, they explain how to establish...
Brian McLogan
Writing a number in scientific notation
👉 Learn how to convert numbers from scientific notations. Scientific notation is a convenient way of writing very large or very small numbers. A number written in scientific notation is of the form a * 10^n where a is the first non-zero...
KnowMo
Subtraction: Understanding the Concept and Techniques
This video is a lecture presentation on subtraction, one of the four key operations in math. The presenter explains the basic concept of subtraction and demonstrates how to perform subtraction using a number line and column subtraction...
Math Fortress
Calculus III: Three Dimensional Coordinate Systems (Level 1 of 10)
This video is a review of number lines and coordinate systems. This video goes over the basic concepts and terminology of one dimensional, and two dimensional coordinate systems. This video concludes with an introduction to three...
Brian McLogan
What is the difference between adding and subtracting positive and negative integers
👉 You will learn how to add and subtract integers. We will work through adding and subtracting two integers up to multiple integers. We can look at adding and subtracting integers by looking at there values on a number line where there...