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Lessons

Algebra Lessons

Step-by-step lessons to help you master algebra.

96 lessons and 144 worked examples across 12 tracks.

Solving Basic Equations

Foundations

Inverse operations and equation balance

From one-step equations to multi-step balancing with variables on both sides.

Solving Inequalities

Foundations

Boundary values and sign direction

Learn when to keep or flip inequality signs while isolating variables.

Graphing Lines

Foundations

Slope, intercepts, and point plotting

Translate algebraic form into graphical behavior in a coordinate plane.

Factoring Polynomials

Core

Products, roots, and structure

Recognize common patterns and factor quadratics efficiently.

Quadratic Equations

Core

Roots, discriminant intuition, and methods

Solve quadratics via factoring and formula-based reasoning.

Rational Expressions

Core

Fractions with variables

Clear denominators, simplify rational forms, and solve rational equations.

Exponents and Roots

Core

Power rules and radical forms

Build fluency with exponent laws, roots, and equivalent forms.

Systems of Equations

Core

Substitution and elimination

Solve two-variable systems and interpret solution pairs.

Functions and Notation

Extended

Input-output structure

Evaluate and interpret algebraic functions across varying inputs.

Absolute Value

Extended

Distance-based equations and inequalities

Model absolute value as distance and solve with case thinking.

Word Problem Modeling

Extended

Translate language to algebra

Turn context into equations and solve for meaningful quantities.

Algebra Review

Extended

Integrated mixed-topic mastery

Reinforce skills through mixed expressions, equations, and interpretation.

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How to use lessons

1. Start a track from lesson 1.

2. Complete the checkpoint in each lesson.

3. Open worked examples for extra reps.

4. Jump into practice drills for retention.