Curated Video
How to Solve Algebraic Expressions by Using Substitution and Order of Operations
In this video, the teacher demonstrates how to evaluate algebraic expressions by using the substitution property to replace variables with given values. The examples cover simple expressions as well as more complex ones, guiding students...
TED Talks
Patrick Chappatte: A free world needs satire
We need humor like we need the air we breathe, says editorial cartoonist Patrick Chappatte. In a talk illustrated with highlights from a career spent skewering everything from dictators and ideologues to selfies and social media mobs,...
SciShow
Why Is Fluoride Good for Teeth?
If our teeth are made mostly of calcium, why do we use fluoride to keep them healthy? Quick Questions explains why, and how we finally figured it out.
Curated Video
Evaluate Algebraic Expressions
"Evaluate Algebraic Expressions" models how to solve algebraic expressions.
FuseSchool
Solving Algebraic Fractions
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...
Curated Video
Write & Identify a Real World Algebraic Expression | 6.EE.B.6
In this math video we will write & identify a real world algebraic expression. We will be presented with a real world situation. We will begin by drawing a picture to represent the situation. We will then label the picture using the...
Curated Video
Evaluating Multiple Step Algebraic Expressions by Substitution
In this video, the teacher explains how to evaluate multiple step algebraic expressions by substituting numbers for variables. The lesson emphasizes the importance of following the order of operations and provides examples of evaluating...
Brian McLogan
How to evaluate an algebraic expression, x^2 + yx - (3y + x) + 2; x = -2 and y = 3
👉 Learn how to evaluate mathematics expressions. A mathematics expression is a finite combination of numbers and symbols formed following a set of operations or rules. To evaluate a mathematics expression means to obtain the solution to...
Curated Video
Solving Algebra Word Problems
In this video we explain how to solve algebra worded problems. We explain how to form expressions and equations from worded algebra questions. The video starts off with simple examples, building up to the more complex age problems....
Curated Video
GCSE Maths - How to Solve Algebraic Equations (Part 1 of 3) #43
This video covers how to solve the simplest algebraic equations, which only involve one operation. This is part 1 of our 3 part series on solving algebraic equations. This video is suitable for maths courses around the world. KS3 - All...
Curated Video
GCSE Maths - Expressions vs Equations #46
This video covers the differences between expressions and equations. The basic idea is that equations have an equals sign and can be solved, whereas expressions don't. This video is suitable for maths courses around the world. KS3 - All...
Brian McLogan
Solving a rational Equation
👉 Learn how to solve rational equations. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. There are many ways to solve rational expressions, one...
Curated Video
Working with Exponents and Algebraic Expressions: Simplifying and Expanding
This video shows the process for solving the problem presented in IGCSE A June 2018 paper 1HR Q14, which involves simplifying and expanding exponents and algebraic expressions. By the end of the video, learners will know how to apply the...
Brian McLogan
How to write an expression from a word problem - Answers to homework
👉 Learn how to write an algebraic expression from verbal sentence as well as writing out a sentence from a algebraic expression. To do this we need to know what words we use to express operations such as addition, multiplication,...
FuseSchool
Alkanes & Alkenes
Learn the basics of alkanes and alkenes. After watching the covalent bonds video you should have sufficient knowledge to understand about how alkanes and alkenes are formed and the differences between them.
Professor Dave Explains
Hyperbolic Functions: Definitions, Identities, Derivatives, and Inverses
An introduction to hyperbolic functions.
Brian McLogan
Learn how to evaluate an algebraic expression for two variables, x^2 -x+2xy-3; x= -3; y=4
👉 Learn how to evaluate mathematics expressions. A mathematics expression is a finite combination of numbers and symbols formed following a set of operations or rules. To evaluate a mathematics expression means to obtain the solution to...
Brian McLogan
How to solve a rational equation
👉 Learn how to solve rational equations. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. There are many ways to solve rational equations, one of...
Brian McLogan
Solve an equation with rational terms
👉 Learn how to solve rational equations. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. There are many ways to solve rational expressions, one...
Brian McLogan
Solving a basic rational equation by multiplying each term by the LCD
👉 Learn how to solve rational equations. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. There are many ways to solve rational expressions, one...
Curated Video
Find the Perimeter
In this short video lesson, we will review how to find the perimeter of a rectangle. We will solve an actual state assessment question from a Grade 7 Massachusetts MCAS question. Test taking strategies and tricks to watch out for will be...
Curated Video
Feature Your Impressive Vocabulary with Today’s High Scoring Tips
Today I’ll teach you the difference between feature, characteristic and aspect for IELTS. He asked what the difference is between the words feature, characteristic and aspect. So what is the difference between these 3 words? Feature has...
FuseSchool
What Are Proteins
In this video, we are going to discuss the structure and uses of protein molecules. Proteins are long-chain molecules made of strings of amino acids joined together. All amino acids are compounds with a similar basic structure: they have...