Addition & Subtraction Trainer

Build mental fluency with clean, timed drills — no sign-ups, no distractions.

⚡ Start a Quick Quiz ↩︎ Back to Multiplication

🛠️ Configure Your Quiz


💡 Press Start Timer when you’re ready. Answers unlock automatically.
⏳ Time Left: --:--
🕒 Time Elapsed: 0s

🧮 Quiz Questions

📊 Results

🕘 Past Attempts

Frequently Asked Questions

Yes — this trainer is completely free and ad-free. It’s built to help learners enjoy math again.

You choose the digits for the left and right numbers. The app creates random problems that fit that size. For subtraction, the numbers are auto-ordered so you won’t get negative answers.

Only your past attempts are saved — locally in your browser (no server). You can clear them anytime.

To keep things fair. Blurring prevents solving before the timer starts. Click “Start Timer” to reveal and begin.

Not on this page — it’s a lightweight trainer. Printing and emailed PDFs are available on the multiplication page.

MadMath Speed Trainer is a free learning tool built with ❤️ by a Singapore-based educator who loves teaching math and watching students transform from math-haters into math-lovers.

MadMath isn’t just about multiplication or addition or subtraction — it’s about brain-building, confidence, and making learning joyful again.