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Master the Concepts

Visual, TEKS-aligned lessons that build understanding from first principles. Watch the math come alive — then practice with CBE-style questions.

Algebra 1

Linear equations, inequalities, functions, quadratics, and polynomials. Covers TEKS §111.39.

11 lessons available

Geometry

Lines, angles, triangles, circles, proofs, and trigonometry. Covers TEKS §111.41.

11 lessons available

Algebra 2

Functions, polynomials, exponentials, logarithms, and conic sections. Covers TEKS §111.40.

11 lessons available

Pre-Calculus

Functions, trigonometry, sequences, conic sections, and analytic geometry — the bridge between Algebra 2 and Calculus. Covers TEKS §111.42.

11 lessons available

Biology

Cells, genetics, ecology, evolution, and body systems. Covers TEKS §112.34.

11 lessons available

Chemistry

Atomic structure, bonding, reactions, stoichiometry, gas laws, solutions, and thermochemistry. Covers TEKS §112.35.

11 lessons available

U.S. History

Colonial era through modern America. Government, economics, geography, culture. Covers TEKS §113.

11 lessons available

SAT Math

Short daily SAT Math practice. Patterns over content. Built for your phone.

11 lessons available