Lesson Launcher

One clear path through math.

Pick a level, choose a course, then work through units and topics. Every topic has a lesson, worked examples and practice that tracks your mastery.

Browse every course now. Join the Sphere to track progress for every Stellar Scholar.

Elementary

Lots of pictures, number lines and counters.

Counting, place value, and the four operations with lots of pictures to look at.

13 units · 45 topics→

The bridge course: whole numbers, fractions, decimals, percents and early geometry.

10 units · 37 topics→

Balanced visuals with real algebra practice.

Full computation fluency with integers, rationals, powers and roots.

9 units · 31 topics→

Variables, equations and the coordinate plane, built one step at a time.

10 units · 31 topics→

Streamlined layouts, graphs and equations.

Linear thinking, systems, exponents and the first look at quadratics.

10 units · 38 topics→

Proof, shape, measurement and transformations with real diagrams.

12 units · 43 topics→

Advanced functions, logarithms, complex numbers and sequences.

10 units · 37 topics→

Clean academic presentation, same friendly voice.

Function analysis and full trigonometry, aimed straight at calculus.

10 units · 34 topics→

The full college sequence from algebra foundations through logarithms.

6 units · 24 topics→

Data, distributions, probability and inference with real calculations.

12 units · 42 topics→