reps
fraction fluency

Session · 10 problems

Ten quick comparisons.
Which one's bigger?

No timer. No leaderboard. Nobody else sees this screen.

When you miss one, I'll show you the trick for that exact kind — then we keep going.

  • Plain interface — no cartoons, nothing flags what level this is.
  • Adapts as you go, and tells you when it does — no fake easy wins.
  • Ends with a real per-type readout, only for what you actually did.

Private · no account · no timer