The best way to learn algebra interactively

Interactive problem solving that's effective and fun. Get hands-on with arithmetic sequences, linear equations, puzzles, exponents, factorials, permutations, and more.

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Courses covered

Solving Equations

Solving Equations

  • Bar Models
  • Distributive Property
  • Evaluating Expressions
  • Factoring
  • Factors
  • Inverses
  • Order of Operations
  • Simplifying Expressions
  • Solving Equations
  • Variables
Reasoning with Algebra

Reasoning with Algebra

  • Acceleration and Velocity
  • Combinations
  • Common Misconceptions
  • Equations
  • Exponents
  • Factorials
  • Lines
  • Motion
  • Permutations
  • Scientific Notation
  • Systems of Equations
  • The Distributive Property
Functions and Quadratics

Functions and Quadratics

  • Absolute Value
  • Asymptotes
  • Domain and Range
  • Exponents
  • Factoring Polynomials
  • Functions
  • Function Notation
  • Function Transformations
  • Piecewise Functions
  • Projectile Motion
  • Rational Functions
  • The Binomial Theorem
  • The Quadratic Formula

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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.

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Courses in Foundational Math

  • Solving Equations
  • Measurement
  • Mathematical Thinking
  • Geometric Thinking
  • Reasoning with Algebra
  • Functions and Quadratics

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