# adding a multiple of one row to another   19 videos

• #### Least Common Multiple

##### Pre-AlgebraPrime Numbers

Vocabulary of multiples and least common multiples

##### Pre-AlgebraWhole Numbers

Using the number line to represent adding and subtracting whole numbers

• #### Solving One Variable Inequalities

##### Pre-AlgebraSolving Equations and Inequalities

How to solve one step inequalities

• #### Adding and Subtracting Polynomials

##### Pre-AlgebraPolynomials

Adding and subtracting polynomials with pictures or aligning vertically

• #### Graphing One Variable Inequalities

##### Pre-AlgebraSolving Equations and Inequalities

Graphing one variable inequalities on a number line

• #### Adding/Subtracting Fractions- Like Denominators

##### Pre-AlgebraFractions and MIxed Numbers

Adding and subtracting fractions that have the same denominator, including a visual representation

• #### Adding/Subtracting Fractions- Unlike Denominators

##### Pre-AlgebraFractions and MIxed Numbers

Drawing pictures and procedures for adding or subtracting fractions with unlike denominators

• #### Multiplication and Division

##### Pre-AlgebraIntegers

Learn how to multiply and divide positive and negative numbers.

• #### Solving Equations - one variable term

##### Pre-AlgebraSolving Equations and Inequalities

Solving two step equations with integers

• #### Multiplication and Division with Decimals

Multiplying and dividing decimals by ignoring and later replacing the decimal point

• #### Divisibility

##### Pre-AlgebraPrime Numbers

Shortcuts to determine whether a number is a factor of another

• #### Addition and Subtraction with Decimals

Adding or subtracting decimals by vertically lining up the zeros

• #### Commutative, Associative

##### Pre-AlgebraProperties of Numbers

Overview of the commutative and associative properties for addition and multiplication

• #### Distributive

##### Pre-AlgebraProperties of Numbers

Introduction to the distributive property of multiplication over addition or subtraction

• #### Exponents

##### Pre-AlgebraIntegers

Exponents are a short cut for writing repeated multiplication

• #### Solving Equations with fractions and decimals by "Clearing"

##### Pre-AlgebraSolving Equations and Inequalities

Solving equations with fractions by multiplying by the least common multiple

• #### Addition and Subtraction with Mixed Numbers

##### Pre-AlgebraFractions and MIxed Numbers

Adding or subtracting mixed numbers by either converting them to improper fractions or working with the integer part and the fractional part separately

• #### Multiplying and Dividing

##### Pre-AlgebraWhole Numbers

Looking at how multiplication represents repeated addition, as well as special cases of multiplying and dividing whole numbers