GreeneMath.com Presents | 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.

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2. Practice
3. Test
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Whole Numbers
Integers
Prime Numbers
Fractions
Decimals
Measurement

Whole Numbers

Pre-Algebra Lesson #1: Place Value

Pre-Algebra Lesson #2: Expanded Form

Pre-Algebra Lesson #3: Inequalities & the Number Line

Pre-Algebra Lesson #4: Rounding Whole Numbers

Pre-Algebra Lesson #5: Properties of Addition

Pre-Algebra Lesson #6: Adding on a Number Line

Pre-Algebra Lesson #7: Vertical Addition

Pre-Algebra Lesson #8: Subtracting on a Number Line

Pre-Algebra Lesson #9: Vertical Subtraction

Pre-Algebra Lesson #10: Properties of Multiplication

Pre-Algebra Lesson #11: Vertical Multiplication

Pre-Algebra Lesson #12: Multiplication with Trailing Zeros

Pre-Algebra Lesson #13: Properties of Division

Pre-Algebra Lesson #14: Long Division

Pre-Algebra Lesson #15: Introduction to Exponents

Pre-Algebra Lesson #16: The Order of Operations

Integers

Pre-Algebra Lesson #17: Introduction to Integers

Pre-Algebra Lesson #18: Absolute Value

Pre-Algebra Lesson #19: Adding Integers

Pre-Algebra Lesson #20: Subtracting Integers

Pre-Algebra Lesson #21: Multiplying & Dividing Integers

Pre-Algebra Lesson #22: Exponents with a Negative Base

Pre-Algebra Lesson #23: The Order of Operations with Integers

Prime Numbers

Pre-Algebra Lesson #24: Divisibility Rules for 2 - 12

Pre-Algebra Lesson #25: Factoring Whole Numbers

Fractions

Pre-Algebra Lesson #26: Introduction to Fractions

Pre-Algebra Lesson #27: Mixed Numbers & Improper Fractions

Pre-Algebra Lesson #28: Finding the Greatest Common Divisor

Pre-Algebra Lesson #29: Simplifying Fractions

Pre-Algebra Lesson #30: Multiplying Fractions

Pre-Algebra Lesson #31: Dividing Fractions

Pre-Algebra Lesson #32: Finding the Least Common Multiple

Pre-Algebra Lesson #33: Adding & Subtracting Fractions

Pre-Algebra Lesson #34: Comparing Fractions

Pre-Algebra Lesson #35: Ratios & Rates

Pre-Algebra Lesson #36: Proportion Definition

Pre-Algebra Lesson #37: Operations with Mixed Numbers

Pre-Algebra Lesson #38: Complex Fractions

Decimals

Pre-Algebra Lesson #39: Decimal Fractions

Pre-Algebra Lesson #40: Comparing & Rounding Decimals

Pre-Algebra Lesson #41: Adding & Subtracting Decimals

Pre-Algebra Lesson #42: Multiplying Decimals

Pre-Algebra Lesson #43: Dividing Decimals

Pre-Algebra Lesson #44: Changing Fractions to Decimals

Pre-Algebra Lesson #45: Percentages

Measurement

Pre-Algebra Lesson #46: Mean, Median, & Mode

Pre-Algebra Lesson #47: Converting between U.S. Units

Pre-Algebra Lesson #48: Converting between Metric Units