Pre-Algebra: Free Online Course & Practice
Number sense, decimals, ratios, expressions, equations, graphing, geometry, statistics, and probability.
Grades 6-9 and returning learners8 units52 lessons1651 practice & quiz problemsFree
Not sure where to start? Take the free 15-minute placement check to pinpoint your gaps, then practice with instant feedback and worked solutions.
Take the free Pre-Algebra placement check Open the Pre-Algebra courseCourse outline
Number Foundations
- Integer Sense and Number Lines
- Adding and Subtracting Integers
- Multiplying and Dividing Integers
- Greatest Common Factor and Least Common Multiple
- Fraction Operations
- Fractions with Unlike Denominators
- Mixed Numbers and Fraction Word Problems
- Ratios and Unit Rates
- Percents
- Number Foundations Checkpoint
Decimals, Roots, and the Real Number System
- Decimal Place Value and Rounding
- Decimal Operations
- Decimal, Fraction, and Percent Conversions
- Scientific Notation
- Negative and Zero Exponents
- Square Roots and Cube Roots
- The Real Number System
Proportional Reasoning
- Proportions and Scale Factors
- Scale Drawings and Unit Conversions
- Graphing Relationships from Tables
- Cumulative Review: Number and Ratio Skills
Algebra Readiness
- Exponents and Order of Operations
- Properties of Operations
- Expressions and Substitution
- One-Step Equations
- Two-Step Equations
- Equations with Variables on Both Sides
- Inequalities
- Algebra Readiness Checkpoint
- Pre-Algebra Midterm Exam
Coordinate Plane, Functions, and Slope
- Coordinate Plane Foundations
- Graphing Simple Linear Equations
- Graphing Inequalities on Number Lines and Grids
- Linear Functions Introduction
- Slope as Rate of Change
Geometry Foundations
- Angle Relationships for Pre-Algebra
- Area and Perimeter Foundations
- Circles: Circumference and Area
- Volume and Surface Area Foundations
- Volume of Cylinders, Cones, and Spheres
- The Pythagorean Theorem
- Transformations on the Coordinate Plane
Statistics and Probability
- Data Displays and Measures
- Scatter Plots and Bivariate Data
- Probability Foundations
- Compound Probability
- Random Sampling and Inference
Cumulative Review and Test Prep
- Word Problems and Modeling
- Cumulative Review: Algebra, Graphing, and Geometry
- Cumulative Review Strategies
- Pre-Algebra Readiness Test
- Pre-Algebra Final Exam
Frequently asked questions
Is the Pre-Algebra course free?
Yes. The entire Pre-Algebra course — 52 lessons, 1651 practice and quiz problems, worked solutions, and the placement check — is free to use at ClearMath Academy.
What does the Pre-Algebra course cover?
Number sense, decimals, ratios, expressions, equations, graphing, geometry, statistics, and probability. It spans 8 units and 52 lessons, each with a worked example and practice problems with step-by-step solutions.
Who is Pre-Algebra for?
Pre-Algebra is aimed at grades 6-9 and returning learners. You can take a free 15-minute placement check first to find exactly which lessons to start with.
How do I find my gaps in Pre-Algebra?
Take the free Pre-Algebra placement check. It pinpoints the specific skills you're missing in about 15 minutes and builds a practice plan focused on those gaps.