Khan Academy
Khan Academy: Using Expressions to Understand Relationships
A video about working and understanding expressions.
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.
Other
Math Tutor Dvd: Simplifying Expressions in Algebra That Involve Multiplication
This lesson examines how to simplify an expression in algebra that involves terms that are multiplied together including terms that include negative and positive integers and fractional terms. [17:24]
Other
Math Tutor Dvd: Simplifying Algebraic Expressions That Involve Division, Part 1
Learn how to simplify expressions in algebra that involve division. This video lesson works a great deal with fractions and examines how to simplify expressions with fractions. [15:34]
Khan Academy
Khan Academy: Manipulating Expressions Using Structure
Given that a+b=0, Sal finds an expression equivalent to a*b. [1:34]
Khan Academy
Khan Academy: Identifying Quadratic Patterns
Determining whether a polynomial expression can be factored using the perfect square pattern or the difference of squares pattern (or neither). [5:50]
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: Simplifying Algebraic Fractions: Lesson 2
This lesson explains the concept of reduction in the number of terms, number of operations, and degree of terms in a rational expression. It is 2 of 6 in the series titled "Simplifying Algebraic Fractions."
Sophia Learning
Sophia: Simplifying Algebraic Fractions: Lesson 4
This lesson explains the concept of reduction in the number of terms, number of operations, and degree of terms in a rational expression. It is 4 of 6 in the series titled "Simplifying Algebraic Fractions."
Sophia Learning
Sophia: Writing Verbal Expressions From Mathematical Expressions
Write verbal expressions that match a given mathematical expressions.
Sophia Learning
Sophia: Writing Verbal Expressions From Mathematical Expressions #3
Write verbal expressions that match given mathematical expressions.
Sophia Learning
Sophia: Writing Verbal Expressions From Mathematical Expressions
Write verbal expressions that match given mathematical expressions.
Sophia Learning
Sophia: Evaluating an Expression
This lesson demonstrates how to evaluate numerical and algebraic expressions that contain powers following the order of operation rules.
Sophia Learning
Sophia: Adding and Subtracting Rational Expressions in the Real World
Just like other kinds of expressions or functions, rational expressions can represent real world situations. In this tutorial, you will learn how to use rational expressions to represent naturally occurring scenarios involving addition...
Sophia Learning
Sophia: Adding and Subtracting Rational Expressions in the Real World
Just like other kinds of expressions or functions, rational expressions can represent real world situations. In this tutorial, you will learn how to use rational expressions to represent naturally occurring scenarios involving addition...
Sophia Learning
Sophia: Simplification #2
In this lesson you will be introduced to the concept of simplification. You will learn how to combine like terms to simplify an equation.
Sophia Learning
Sophia: Writing Expressions in Ordered Form #2
Here we review how to write algebraic expressions in ordered form and review the different components of an algebraic expression.
Sophia Learning
Sophia: Writing Expressions in Ordered Form #1
Here we review how to write algebraic expressions in ordered form and review the different components of an algebraic expression.
Sophia Learning
Sophia: Simplification #1
In this lesson you will be introduced to the concept of simplification. You will learn how to combine like terms to simplify an equation.