Variables in Expressions Videos - Free Educational Videos for Students in K - 12

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This page provides a list of educational videos related to Variables in Expressions. You can also use this page to find sample questions, apps, worksheets, lessons , infographics and presentations related to Variables in Expressions.


Expressions with unknown variables 2


By Khan Academy

A few more examples where Sal evaluates expressions with multiple unknown variables.

Examples: Writing Variable Expressions


By Mathispower4u

Practicing variable expressions with this tutorial video.

Expressions with unknown variables


By Khan Academy

Sal solved a few examples where we need to evaluate an expression, but we don't know the individual variable values.

Evaluating Expressions with Two Variables - Khan Academy


By Khan Academy

Sal Khan shows the viewer how to evaluate an expression with two variables.

Evaluating expressions with variables word problems


By Khan Academy

Learn how to evaluate an expression with variables using a technique called substitution (or plugging in).

Expressions and variables


By MathPlanetVideos

Evaluate the expression when x=4 and y=3 5x+y2−xy

Evaluating expressions with variables word problems


By Khan Academy

Learn how to evaluate an expression with variables using a technique called substitution (or plugging in).

Evaluating expressions with variables word problems


By Khan Academy

Learn how to evaluate an expression with variables using a technique called substitution (or plugging in).

Evaluating expressions with variables word problems


By Khan Academy

Learn how to evaluate an expression with variables using a technique called substitution (or plugging in).

Writing expressions with variables and parentheses


By Khan Academy

Like other exercises in this tutorial, we're rewriting statements into algebraic expression. This time we have to choose which is the correct one among those given.

Writing expressions with variables and parentheses


By Khan Academy

Learn how to write simple algebraic expressions.

Writing basic expressions with variables


By Khan Academy

Learn how to write basic algebraic expressions.

Simplifying Radicals With Variables, Exponents, Fractions, Cube Roots - Algebra


By The Organic Chemistry Tutor

This algebra 1 & 2 video tutorial shows you how to simplify radicals with variables, fractions, and exponents that contains both square roots, cube roots, and variables such as x, y, and z. This video contains plenty of examples and practice problems.Here is a list of topics: 1. Simplifying Radical Expressions With Variables & Exponents 2. Simplifying Radicals With Fractions & Variables 3. Radicals With Square Roots & Cube Roots 4. Radical Expressions with X, Y, and Z 5. Absolute Value - Simplifying radical expressions

Evaluating expressions with variables word problems


By Khan Academy

In this example we have a formula for converting Celsius temperature to Fahrenheit. Let's substitute the variable with a value (Celsius temp) to get the degrees in Fahrenheit. Great problem to practice with us!

Evaluating expressions with variables word problems


By Khan Academy

In this example of evaluating expressions, we're dusting off some geometry. On top of that, it's a word problem. We're seeing how different concepts in math are layered on top of each to create more interesting and complex problems to solve.

Writing basic algebraic expressions word problems 2


By Khan Academy

Learn how to write expressions with variables to describe situations described in word problems.

Grade 6 Math - Expressions Involving Variables


By Lumos Learning

Using the Lumos Study Programs, parents and educators can reinforce the classroom learning experience for children and help them succeed at school and on the standardized tests. Lumos books, dvd, eLearning and tutoring are used by leading schools, libraries and thousands of parents to supplement classroom learning and improve student achievement in the standardized tests.

Writing basic algebraic expressions word problems


By Khan Academy

Learn how to write basic expressions with variables to describe situations described in word problems.

Testing solutions of equations using substitution


By Khan Academy

Learn what variables, expressions, and equations really are.

Qtr 1, Lesson 3: Rewriting Equations and Formulas


By Stan Lisle

A lesson describing how to rewrite algebraic expressions with multiple variables and solve for any of the variables. Problems included to test the student's understanding.