• #### Multiplication and Division with Decimals - Problem 3

##### Math›Pre-Algebra›Decimals and Percents
Dividing decimals by hand when the divisor is not an integer
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• #### Multiplication and Division Properties of Exponents - Problem 1

##### Math›Algebra›Exponents
How to simplify products using exponents when they have the same base.
• #### Multiplication and Division Properties of Exponents - Problem 3

##### Math›Algebra›Exponents
How to simplify fractions that involve exponents and bases that are both integers and variables.
• #### Addition and Scalar Multiplication of Vectors - Problem 1

##### Math›Precalculus›Vectors and Parametric Equations
How to compute the difference of two vectors.
• #### Solving and Graphing Inequalities using Multiplication or Division - Problem 3

##### Math›Algebra›Solving and Graphing Inequalities
How to solve word problems using inequalities.
• #### Solving and Graphing Inequalities using Multiplication or Division - Problem 1

##### Math›Algebra›Solving and Graphing Inequalities
How to solve and graph one variable inequalities when dividing by a negative number.
• #### Solving and Graphing Inequalities using Multiplication or Division - Problem 2

##### Math›Algebra›Solving and Graphing Inequalities
How to solve and graph one variable inequalities when multiplying by a positive number.
• #### Rules for Rational Exponents - Problem 6

Multiplication and division rules for rational exponents.
• #### Square Matrices - Problem 1

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to demonstrate that matrix multiplication is not commutative.
• #### Solving a Rational Equation - Problem 5

##### Math›Algebra 2›Rational Expressions and Functions
Turning sums and differences into proportions to enable cross multiplication.
• #### Square Matrices - Problem 3

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to show that two matrices are inverses (in the sense of matrix multiplication).
• #### Vector Operations in 3D - Concept

##### Math›Precalculus›Vectors and Parametric Equations
How to perform vector operations like addition, scalar multiplication, the dot product, and finding the magnitude, in three dimensions.
• #### Multiplying Radicals of the Same Root - Problem 1

How to multiply a radical by a binomial.
• #### Multiplying Radicals of the Same Root - Concept

How to multiply radicals of the same root together.
• #### Multiplying Radicals of the Same Root - Problem 2

How to multiply two binomials that both contain a radical.
• #### Exponents - Concept

##### Math›Pre-Algebra›Integers
Exponents are a short cut for writing repeated multiplication
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• #### Distributive - Concept

##### Math›Pre-Algebra›Properties of Numbers
Introduction to the distributive property of multiplication over addition or subtraction
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• #### Proportions - Problem 6

##### Math›Algebra›Solving Equations
How to solve proportions using cross multiplication
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• #### Defining Variables - Problem 4

##### Math›Algebra›Pre-Algebra
Notation of multiplication versus addition or subtraction
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• #### Exponents - Problem 1

##### Math›Pre-Algebra›Integers
Re-writing repeated multiplication using exponents, including variable and integer bases
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