Count on the circle
Twelve TheoryMath + Music Playground
Explore interactive music theory and music by numbers through Free Play, Math Mode, Chord Game, Circle Counting, Harmonic Cone, Waveforms, Harmonic Polygons, Tuning String, Sheet Music, Musical Circles, and Ear Training.
Interactive module
Circle Counting
Practice one move at a time, then learn the patterns that make 1–12 circle math faster.
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Start 8Ready?Start training below
The starting number is outlined. Count around the circle, then tap where you land.
Learn by counting
The first five questions cover a circle calculation, equivalent moves, two routes, and both parity rules.
1–12 answer circle questions · Enter starts or continues
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