adding a multiple of one row to another 19 videos
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Adding and Subtracting
Pre-Algebra Whole Numbers
Using the number line to represent adding and subtracting whole numbers
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Solving One Variable Inequalities
Pre-Algebra Solving Equations and Inequalities
How to solve one step inequalities
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Adding and Subtracting Polynomials
Pre-Algebra Polynomials
Adding and subtracting polynomials with pictures or aligning vertically
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Graphing One Variable Inequalities
Pre-Algebra Solving Equations and Inequalities
Graphing one variable inequalities on a number line
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Adding/Subtracting Fractions- Like Denominators
Pre-Algebra Fractions and MIxed Numbers
Adding and subtracting fractions that have the same denominator, including a visual representation
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Adding/Subtracting Fractions- Unlike Denominators
Pre-Algebra Fractions and MIxed Numbers
Drawing pictures and procedures for adding or subtracting fractions with unlike denominators
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Multiplication and Division
Pre-Algebra Integers
Learn how to multiply and divide positive and negative numbers.
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Solving Equations - one variable term
Pre-Algebra Solving Equations and Inequalities
Solving two step equations with integers
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Multiplication and Division with Decimals
Pre-Algebra Decimals and Percents
Multiplying and dividing decimals by ignoring and later replacing the decimal point
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Divisibility
Pre-Algebra Prime Numbers
Shortcuts to determine whether a number is a factor of another
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Addition and Subtraction with Decimals
Pre-Algebra Decimals and Percents
Adding or subtracting decimals by vertically lining up the zeros
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Commutative, Associative
Pre-Algebra Properties of Numbers
Overview of the commutative and associative properties for addition and multiplication
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Distributive
Pre-Algebra Properties of Numbers
Introduction to the distributive property of multiplication over addition or subtraction
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Solving Equations with fractions and decimals by "Clearing"
Pre-Algebra Solving Equations and Inequalities
Solving equations with fractions by multiplying by the least common multiple
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Addition and Subtraction with Mixed Numbers
Pre-Algebra Fractions 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
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Multiplying and Dividing
Pre-Algebra Whole Numbers
Looking at how multiplication represents repeated addition, as well as special cases of multiplying and dividing whole numbers
