Pre-Algebra Explained

Do you want to ace your next exam by mastering Pre-Algebra? With our step-by-step lectures and quizzes, you will grasp the fundamental ideas of pre-algebra. Higher math classes like Algebra, Geometry, Trigonometry, and Calculus rely heavily on the principles you'll study. We'll go over operations with whole numbers before moving on to integers, fractions, and decimals. We'll finish up with learning how to calculate the mean, median, and mode of a set of values, as well as how to convert between different units of measurement. The topics of our course include:

#1: Place Value

#2: Expanded Form

#3: Inequalities & the Number Line

#4: Rounding Whole Numbers

#5: Properties of Addition

#6: Adding on a Number Line

#7: Vertical Addition

#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

#14: Long Division

#15: Introduction to Exponents

#16: The Order of Operations

#17: Introduction to Integers

#18: Absolute Value

#19: Adding Integers

#20: Subtracting Integers

#21: Multiplying & Dividing Integers

#22: Exponents with a Negative Base

#23: The Order of Operations with Integers

#24: Divisibility Rules for 2 - 12

#25: Factoring Whole Numbers

#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

#35: Ratios & Rates

#36: Proportion Definition

#37: Operations with Mixed Numbers

#38: Complex Fractions

#39: Decimal Fractions

#40: Comparing & Rounding Decimals

#41: Adding & Subtracting Decimals

#42: Multiplying Decimals

#43: Dividing Decimals

#44: Changing Fractions to Decimals

#45: Percentages

#46: Mean, Median, & Mode

#47: Converting between U.S. Units

#48: Converting between Metric Units