# Basic Algebra or Algebra I

Need help in Basic Algebra or Algebra I?
We have a series of free Basic Algebra or Algebra I Video Lessons.
The pre-algebra review is from the Portland Community College.

### Pre-Algebra Review

• 1.1 Introduction

Whole Numbers
Place Value & Word Names
Expanded Form
Rounding & Inequalities
Addition & Subtraction of Whole Numbers

Whole Numbers
Multiplication & Division
Exponents & Powers of Ten
Order of Operations: Problems with Two or More Operations

• 1.2 Factors & Fractions

Factors
Average
Multiples
Divisors & Factors
Divisibility Tests

Factors & Fractions
Primes & Composites
Prime Factorization
Least Common Multiple
Fractions & Mixed Numbers: What is a Fraction?

Fractions
Improper Fractions to Mixed Numbers & vice versa
Reducing Fractions
Multiplication of Fractions

Fractions
Division of Fractions
Multiplication & Division of Mixed Numbers
Listing Fractions in Order of Value

Fractions
Addition of Like & Unlike Fractions
Addition & Subtraction of Mixed Numbers

Fractions
Subtraction of Fractions
Order of Operations & Average

• 1.3 Decimals

Decimal Numbers
Place Value & Word Names
Expanded Form
Decimals to Fractions
Listing Decimals in Order of Value

Decimals
Approximation of Decimals
Multiplication of Decimals

Decimals
Multiplication & Division by Powers of Ten
Division of Decimals
Fractions to Decimals & vice versa
Order of Operations & Average

• 1.4 Ratio, Proportions & Percents

Ratio & Proportion
Solve Proportions
Word Problems (Proportions)

Percents
What is Percent?
Changing Decimals to Percents & vice versa
Fractions to Percents & vice versa

Percents
Fractions, Decimals, & Percents Review
Solve Percent Problems
Word Problems (Percents)

• 1.5 Measurements

Measurements
English Measurements
Metric Measurements
Conversion of Units

• 1.6 Geometry

Geometry
Perimeter & Circumference
Area of Common Geometric Figures
Volume of Common Geometric Solids

• 1.7 Signed Numbers

Signed Numbers
Addition & Subtraction of Signed Numbers

Multiplication & Division of Signed Numbers Review
Order of Operations

### Basic Algebra

#### Linear Equations & their Graphs

Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations. 