FastMath

Quick mental math practice with timed questions, multiple choice or type-in answers, and instant results.

What it does

• Practice addition, subtraction, multiplication, and division
• Choose 1-digit, 2-digit, or 3-digit number ranges
• Multiple Choice or Type Answer mode
• Timed practice with correct / wrong tracking
• Fastest answer time recorded
• Auto-advance option (type mode)
• Stop-on-wrong rule toggle
• Shareable result summary (copy to clipboard / native share)

How to use

Open index.html in any modern browser, or deploy to Vercel / Netlify / GitHub Pages.

No build step required — pure HTML, CSS, and vanilla JavaScript.

Tech stack

• HTML5 + CSS3 (no external framework)
• Vanilla JavaScript (ES6+)
• Google Fonts: Outfit

Files

• index.html — UI and layout
• styles.css — styling
• app.js — game logic, questions, scoring, sharing
• og-math.svg — Open Graph preview image

License

MIT — see LICENSE.