Mental maths, but a game · ages 6 to adult
Real fluency — correct and fast — with practice weighted to your weak facts.
Numina builds real arithmetic fluency — correct and fast — with adaptive tiers, streaks, and practice weighted toward your weak facts, then proves it with a single Fluency Score.
60-second challenge · no card · no account needed
24
exercises · 3 tracks
correct + fast
what 'fluent' means
0–100
one Fluency Score
adaptive
weighted to weak facts
How it works
A quick placement finds your level across every track — no guessing where to start.
Short daily sessions, warm-ups, and Forge runs drill the exact facts that are weak or due — correct and fast.
Watch your Fluency Score climb, earn awards, and unlock certificates as facts become automatic.
Free to start · no card required.
60-second challenge · no card · no account needed