Khan Academy
Khan Academy: Variables and Expressions: Expressions With Two Variables
Video showing how to evaluate an expression which contains two variables.
Khan Academy
Khan Academy: What Expressions Express: Combining Like Terms 1
This video demonstrates how to combine like terms in an expression.
Khan Academy
Khan Academy: Evaluating Expressions With Unknown Variables
In this video lesson students work through a few examples where we need to evaluate an expression.
Khan Academy
Khan Academy: Why Aren't We Using the Multiplication Sign
This video shows why avoid using the traditional multiplication sign in algebra.
Khan Academy
Khan Academy: Using Expressions to Understand Relationships
A video about working and understanding expressions.
Sophia Learning
Sophia: Identifying Monomials
Students watch a video lesson that describes monomials and explains how to determine if an expression is actually a monomial.
Sophia Learning
Sophia: Terms in Algebraic Expressions
This lesson defines the concept of terms in an algebraic expression. Students can watch a video tutorial and then take an online quiz.
Sophia Learning
Sophia: Terms in Algebraic Expressions
This lesson defines the concept of terms in an algebraic expression. Students can watch a video tutorial and then take an online quiz.
Sophia Learning
Sophia: Variables in Algebraic Expressions
This video lesson demonstrates how variables are used as placeholders in algebraic expressions. Students can check their understanding with an assessment.
Sophia Learning
Sophia: Algebraic and Numeric Expressions
This video lesson defines and provides examples of algebraic and numeric expressions. Students can check their understanding with an assessment.
Sophia Learning
Sophia: Algebraic Expressions
Algebraic expressions are explored in this video tutorial. The lesson demonstrates how to write expressions using variables.
Imagine Learning Classroom
Learn Zillion: Evaluate Algebraic Expressions With Exponents
In this lesson, you will learn how to evaluate algebraic expressions by using exponents. [4:28]
Khan Academy
Khan Academy: Dogs Cats and Bears in a Pet Store Analytic Argument
This video lesson shows how to translate expressions sothey can be compared.
Khan Academy
Khan Academy: Variables and Expressions: Example: Evaluating an Expression
This video demonstrates how to solve a word problem using an expression and substituting values for a variable.
Khan Academy
Khan Academy: Examples of Evaluating Variable Expressions
Video shows how to simplify expressions showing multiplication and how to write products with variables without multiplication signs.
Khan Academy
Khan Academy: Variables and Expressions:evaluating Expressions With 2 Variables
This video demonstrates how to evaluate an expression with two variables using substitution.
Khan Academy
Khan Academy: The Why of Algebra: Why All the Letters in Algebra?
Jesse Roe and Sal Khan talk about why we use letters in algebra.
Art of Problem Solving
Art of Problem Solving: Algebraic Expressions Number Game
Video tutorial uses a number game to practice algebraic expressions. [7:06]
Khan Academy
Khan Academy: Intro to Factors & Divisibility
Sal explains what it means for a polynomial to be a factor of another polynomial, and what it means for a polynomial to be divisible by another polynomial. [5:25]
Khan Academy
Khan Academy: Evaluating Expressions With Two Variables
Sal Khan illustrates an evaluating expressions example that has two variables. [2:05]
PBS
Pbs: Math Magic
Magic or math? Marko the Magnificent has one more trick up his sleeve, see if he impresses you with his math magic. Use your mental math skills to calculate your answer then see if you can figure out the secret to this trick.
Virtual Nerd
Virtual Nerd: Interpret the Structure of Expressions
This site teaches students how to interpret expressions that represent a quantity in terms of its context, interpret parts of an expression, such as terms, factors, and coefficients, and use the structure of an expression to identify...
Sophia Learning
Sophia: Evaluating a Function for an Algebraic Expression: Lesson 2
This lesson describes how to plug a function into an expression for every x appearance in order to evaluate a function for an algebraic expression. It is 2 of 10 in the series titled "Evaluating a Function for an Algebraic Expression."
Sophia Learning
Sophia: Evaluating a Function for an Algebraic Expression: Lesson 5
This lesson describes how to plug a function into an expression for every x appearance in order to evaluate a function for an algebraic expression. It is 5 of 10 in the series titled "Evaluating a Function for an Algebraic Expression."