GreeneMath | Pre-Algebra

In this course, you will master the basic concepts of pre-algebra using GreeneMath.com's three-step system. These concepts are fundamental to success in higher math classes such as Algebra, Geometry, and Calculus. We will review operations with whole numbers, then move on to learn how to perform operations with integers, fractions, and decimals. We will wrap up our course by learning how to find the mean, median, and mode for a group of numbers, along with how to convert between various units of measurement.

Course Progress: 0 of 192

## Whole Numbers

### #3: Inequalities & the Number Line

### #4: Rounding Whole Numbers

### #5: Properties of Addition

### #6: Adding on a Number Line

### #8: Subtracting on a Number Line

### #9: Vertical Subtraction

### #10: Properties of Multiplication

### #11: Vertical Multiplication

### #12: Multiplication with Powers of 10

### #13: Properties of Division

### #15: Introduction to Exponents

### #16: The Order of Operations

## Integers

### #17: Introduction to Integers

### #20: Subtracting Integers

### #21: Multiplying & Dividing Integers

### #22: Exponents with a Negative Base

### #23: The Order of Operations with Integers

## Prime Numbers

### #24: Divisibility Rules for 2 - 12

### #25: Factoring Whole Numbers

## Fractions

### #26: Introduction to Fractions

### #27: Mixed Numbers & Improper Fractions

### #28: Finding the Greatest Common Divisor

### #29: Simplifying Fractions

### #30: Multiplying Fractions

### #31: Dividing Fractions

### #32: Finding the Least Common Multiple

### #33: Adding & Subtracting Fractions

### #34: Comparing Fractions

### #36: Proportion Definition

### #37: Operations with Mixed Numbers

### #38: Complex Fractions

## Decimals

### #39: Decimal Fractions

### #40: Comparing & Rounding Decimals

### #41: Adding & Subtracting Decimals

### #42: Multiplying Decimals

### #43: Dividing Decimals

### #44: Changing Fractions to Decimals

## Measurement

### #46: Mean, Median, & Mode

### #47: Converting between U.S. Units

### #48: Converting between Metric Units

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