PBS
Career Connections | Pipefitting and Plumbing
Getting water to the drinking fountain and getting waste out of a building are just two jobs for pipefitters and plumbers. A short video details the education and training involved in this rewarding, hands-on career.
Mathispower4u
Simplify and Evaluate Algebraic Expressions 2
These are equivalent, too. The resource presents two expressions to simplify that require using the distributive property and/or combining like terms. After simplifying the expressions, the video shows how to evaluate the expressions to...
Mathispower4u
Simplify and Evaluate Algebraic Expressions 1
Evaluate the equivalence of expressions. A helpful video walks through the process of simplifying two expressions. Using values for the variables, the presentation evaluates the original expression and the simplified expression to show...
Corbett Maths
Collecting Like Terms
Combine a useful video with a lesson on combining like terms to make an impact. A short video shows how to write equivalent expressions by combining like terms. It looks at several different examples, including a few where simplification...
Math TV
Math tv.com: Simplifying Expressions: With Numbers Only
Learn how to use order of operations to simplify expressions. Several videos, featuring a math teacher and students, offer step-by-step instruction on how to simplify expressions that only involve numbers.
Math TV
Math tv.com: Simplifying Expressions: With Variables
Learn how to simplify expressions that have variables. This site offers a variety of video lessons, from a teacher and several students, showing step-by-step solutions to twenty-four different expressions.
Khan Academy
Khan Academy: Algebra: Negative and Positive Exponents
Video simplifying an algebraic expression with negative exponents and then evaluating it when x equals 2. [2:19]
Khan Academy
Khan Academy: Algebra: Simplifying Expressions With Exponents 3
Video finding the volume of a cube with sides that are an algebraic expression involving exponents. [2:31]
Khan Academy
Khan Academy: Algebra: Evaluating Exponential Expressions 2
Video evaluating an exponential expression using the order of operations. Includes a zero exponent. [3:01]
Khan Academy
Khan Academy: Algebra: Order of Operations Example
A video that demonstrates how to use order of operations to evaluate expressions with and without variables. Some expressions contain up to two variables. [14:23]
Khan Academy
Khan Academy: Algebra: Evaluating Exponential Expressions
Video evaluating an exponential expression using the order of operations. [2:41]
Loyola University Chicago
Math Flix: Simplification 2
This QuickTime movie provides another opportunity to simplify an expression by combining like terms. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Sophia Learning
Sophia: Simplifying an Equation
From this lesson, you will discover how to make an equation easier to solve by applying simplifying rules to equations. Students can watch a video tutorial and then take an online quiz.
Sophia Learning
Sophia: Simplifying an Equation
From this lesson, you will discover how to make an equation easier to solve by applying simplifying rules to equations. Students can watch a video tutorial and then take an online quiz.
Sophia Learning
Sophia: Simplifying an Equation
From this lesson, you will discover how to make an equation easier to solve by applying simplifying rules to equations. Students can watch a video tutorial and then take an online quiz.
Sophia Learning
Sophia: Simplifying an Equation
From this lesson, you will discover how to make an equation easier to solve by applying simplifying rules to equations. Students can watch a video tutorial and then take an online quiz.
Sophia Learning
Sophia: Simplifying an Equation
From this lesson, you will discover how to make an equation easier to solve by applying simplifying rules to equations. Students can watch a video tutorial and then take an online quiz.
Sophia Learning
Sophia: Simplifying an Equation
From this lesson, you will discover how to make an equation easier to solve by applying simplifying rules to equations. Students can watch a video tutorial and then take an online quiz.
Math Mammoth
Math Mammoth: Order of Operations: Exponents Review
This lesson reviews exponents and presents the PEMDAS rule for order of operations, followed by its application in several examples. [5:23]
Khan Academy
Khan Academy: Equivalent Expressions With Negative Numbers
Equivalent expressions examples with negative numbers.
Sophia Learning
Sophia: Writing Equivalent Expressions
Explains what equivalent equations are and how to find out if two equations are equivalent. The video is accompanied by a downloadable transcript and quiz questions. [7:57]
Virtual Nerd
Virtual Nerd: How to Use the Distributive Property to Simplify an Expression
In this tutorial, find out how to apply the distributive property. Remember that this is important when trying to simplify an expression and get rid of parentheses. [4:21]
Khan Academy
Khan Academy: Factoring With the Distributive Property
Sal shows how to factor the expression 4x+18 into the expression 2(2x+9). [3:28]
Khan Academy
Khan Academy: Order of Operations Example
Simplify this tricky expression using the order of operations. Expression include negative numbers and exponents. [4:36]