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Courses in **Foundational Math**

- Solving Equations
- Measurement
- Mathematical Fundamentals
- Geometry I
- Reasoning with Algebra
- Functions and Quadratics

For lifelong learners of any age — master math concepts in minutes a day with bite-sized, interactive lessons in algebra, geometry, logic, probability, and more.

- Binary
- Truth Tables
- Logic Gates
- Venn and Euler Diagrams
- Propositional Logic
- The Square of Opposition
- De Morgan's Laws
- Inclusive and Exclusive OR
- Combinatorics
- Knight and Knave Puzzles
- Combinatorial Game Algorithms

- Estimating Probability
- Rule of Sum
- Rule of Product
- Conditional Probability
- Bayes' Rule
- Dependence and Independence
- Cumulative Probabilities
- Probability Estimates
- Updating Probabilities
- Probability Simulation

- Algebraic Expressions
- Arithmetic Operators
- Cryptogram Puzzles
- Discount Finance
- Divisibility
- Divisibility Rules
- Logic Fundamentals
- Rates and Ratios
- Sequences
- The Distributive Property
- Variables

- Angle Axioms
- Measuring Areas
- Parallel and Perpendicular Lines
- Perimeter
- Similarity
- Surface Area
- The Pythagorean Theorem
- Three-Dimensional Figures
- Volume

- Bar Models
- Distributive Property
- Evaluating Expressions
- Factoring
- Factors
- Inverses
- Order of Operations
- Simplifying Expressions
- Solving Equations
- Variables

All of our courses are crafted by award-winning teachers, researchers, and professionals from MIT, Caltech, Duke, Microsoft, Google, and more.

- Solving Equations
- Measurement
- Mathematical Fundamentals
- Geometry I
- Reasoning with Algebra
- Functions and Quadratics