Extra math lessons and tools
These lessons are not part of a grade yet. Open any one to explore or review. Each has the same Visualizer, Cheat Sheet, and Practice as the rest of the platform.
Calculus
Functions
Intro to Functions
The first function lesson — notation, evaluation, domain, range, and the nine parent shapes.
OpenMathlograph
Animated visualizer for 12 function families with step-by-step property guides and voice narration.
OpenLinear Function Lab
Master f(x) = mx + b — slope, graphs, equations & solving.
OpenQuadratic Function Lab
All 3 quadratic forms, vertex analysis, and 3 solving methods.
OpenSquare Root Function Lab
Explore f(x) = a√(x−h)+k — transformations, domain, range.
OpenCubic Function Lab
Explore the S-curve — graphs, transformations, and solving.
OpenCube Root Function Lab
The flat S-curve — domain, inverse with x³, and solving.
Open
Algebra
Function Operations Lab
Add, multiply, compose, and find domains of functions.
OpenEquation Lab
Solve 7 equation types using a balance scale visualizer.
OpenInequality Lab
Number lines, sign-flip rules, compound & absolute value inequalities.
OpenFactoring Lab
Visualizer, cheat sheet, and graded practice for factoring.
OpenSystems Lab
Linear systems — graphing, substitution & elimination.
OpenSolving Equations
Linear, absolute value, and quadratic equations step by step.
Open