# Free Pre-Algebra Content

Whole Numbers

• Intro to Whole Numbers
• Addition and Subtraction of Whole Numbers
• Rounding and Estimating
• Multiplying Whole Numbers
• Dividing Whole Numbers
• Order of Operations

Integers

• Intro to Integers
• Absolute Value
• Addition and Subtraction of Integers
• Multiplying Integers
• Dividing Integers
• Algebraic Expressions

Solving Equations

• Simplifying Expressions
• Combining Like Terms
• Addition and Subtraction Properties of Equality
• Multiplication and Division Properties of Equality
• Solving Multistep Equations  Fractions and Mixed Numbers

• Intro to Fractions and Mixed Numbers
• Simplifying Fractions
• Multiplying Fractions
• Dividing Fractions

Decimals

• Decimal Notation
• Rounding with Decimals
• Addition and Subtraction of Decimals
• Multiplication of Decimals
• Division of Decimals
• Solving Equations with Decimals

Ratios and Proportions

• Ratios
• Rates and Unit Costs
• Proportions
• Similar Figures

Percents

• Percents, Fractions, and Decimals
• Percent Proportions
• Percent Equations
• Percent Change
• Simple Interest
• Compound Interest

Intro to Geometry

• Lines and Angles
• Triangles
• Pythagorean Theorem
• Perimeter
• Circumference
• Area
• Volume

Exponents and Polynomials

• Addition and Subtraction of Polynomials
• Properties of Exponents
• Multiplication of Polynomials
• Factoring
• Scientific Notations  