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Cross Products - Video Lesson
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Video on "Find an Unknown in a Proportion 2"
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Source:
Khan Academy
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More videos on Algebra
Expressions with Parentheses
Introduction to Order of Operations
Adding Equals to Both Sides
Evaluating Expressions
More Complicated Order of Operations Example
Order of Operations 2
Order of Operations
Using Variables to Evaluate Expressions
Order of Operations
Expressions with Word Problems
Equations with Variables
Distributive Property
The Distributive Property 2
The Distributive Property
Commutative Property
Commutative Law of Multiplication
Commutative Law of Addition
Associative Property
Associative Law of Multiplication
Associative Law of Addition
Multiplying by One and Zero
Identity Property of 1
Rounding Decimals
Rounding Decimals
Estimating the Addition and Subtraction of Decimals
Estimation with Decimals
Order of Operations
Properties Review
Algebraic Expressions
Equations with the variable on both sides
slightly more complicated equations
Introduction to basic algebraic equations
Simplifying Algebraic Expressions
Algebraic Formulas
Solving Addition and Subtraction Equations
Solving Multiplication and Division Equations
Ratios
Ratios as Fractions in Simplest Form
Cross Products
Find an Unknown in a Proportion 2
Find an Unknown in a Proportion