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Master foundational math concepts in minutes a day with bite-sized, interactive lessons in algebra, geometry, logic, probability, and more.

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Courses covered



  • 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
Introduction to Probability

Introduction to Probability

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

Mathematical Fundamentals

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

Measuring with Geometry

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

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

  • Foundational Math
  • Software Development
  • Science
  • Foundational Logic
  • Data Science
  • High School Math
  • Engineering
  • Statistics and Finance

Courses in Foundational Math

  • Solving Equations
  • Measuring with Geometry
  • Mathematical Fundamentals
  • Geometry I
  • Reasoning with Algebra
  • Functions and Quadratics

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