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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).
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.