bythreedu · Mathematics · 10 Tracks · 2026

Math, built
for real understanding.

Ten tracks from arithmetic foundations to differential equations. Each course is sequenced to build on the last.

Tracks10full sequence
Format1:1live sessions
01Full Track Sequence
01
Pre-Algebra
Number sense · Fractions · Ratios · Intro to variables
→02
Algebra
Equations · Functions · Polynomials · Systems
→03
Geometry
Proof · Congruence · Similarity · Coordinate geometry
→04
Trigonometry
Unit circle · Trig functions · Identities · Applications
→05
Precalculus
29 lessons · 9 units · Calculus I ready
→06
Statistics
Probability · Distributions · Inference · Regression
→07
Calculus I
Limits · Derivatives · Applications · Intro to integration
→08
Calculus II
Integration techniques · Series · Polar · Parametric
→09
Calculus III
Multivariable calculus · Vectors · Partial derivatives · Multiple integrals
→10
Differential Equations
ODEs · Systems · Laplace transforms · Applications
→
Note on sequence: Tracks 01–05 follow a standard pre-college progression. Statistics can be taken after Algebra. Calculus I–III and Differential Equations are college-level and build sequentially.
02Programs

A named, multi-subject sequence with a fixed pace, built-in breaks, and one price per phase — rather than picking a single track above.

GUM
Ground Up Mathematics
Pre-Algebra through Statistics · 95 lesson weeks · 3 phases · 6 capstones
→