Quick Math is a bite-size arithmetic sprint built for the BestForAndroid Arcade: the classic beat-the-clock flash-card drill turned into a tap-friendly combo chaser. Sixty seconds is just long enough to find a rhythm, which makes it a quick daily mental-math warm-up on Android or desktop. Quick Math is free, needs no app or download, works offline, and saves your best score on your own device.
Rapid-fire sums push your brain to crunch numbers under time pressure, sharpening the mental shortcuts you lean on every day. Chasing a combo rewards steady focus and quick, confident calls.
Mental arithmeticProcessing speedNumber senseFocus
Built as a single HTML file, with no frameworks, no network calls, no tracking. Plain DOM and CSS, vanilla JavaScript, Web Audio for the mutable sound, and your best score kept in localStorage. Fully offline, and drops into any page via <iframe>.