Mental Math Games: Numbio

Numbio (formerly FastMath) turns mental math into a fast, satisfying daily habit. Train arithmetic, master your times tables, and watch your calculation speed climb in just a few minutes a day.

WHY NUMBIO?

• Practice that adapts to you: difficulty scales from Easy to Extreme as you improve.

• Bite-sized sessions for any schedule: a 60-second speed test or a full training plan.

• Actually fun: turn drills into a game and keep your daily streak alive.

PRACTICE EVERYTHING

• Free core arithmetic: addition, subtraction, multiplication & division

• Times tables, digit sums, mixed expressions & chained operations*

• Word problems, equations, rule of three, fractions, GCD & LCM*

• Advanced operations: percentages, squares, square roots & modulo*

• Every number type: decimals, money, fractions, binary, Roman numerals & more*

• Build your own custom training plans: practice exactly what you want*

LEARN THE TRICKS

• Step-by-step mental-math tricks and shortcuts that make hard sums easy

• Practice any trick right away with a matching, ready-made drill*

• A personalized "For You" feed that suggests what to learn next*

PLAY & COMPETE

• Brain-teasing games: Number Hunt, Magic Square, Sudoku & Mini Sudoku

• Climb Game Center leaderboards and unlock dozens of achievements

TRACK YOUR PROGRESS

• Build daily streaks and hit personal goals that keep you coming back

• Earn XP and level up through ten ranks, from Bronze to Diamond

• Watch your speed and accuracy climb with detailed stats and personal bests

• Set daily reminders so you never break your streak

ON ALL YOUR DEVICES

• Cross-device sync keeps your progress in step wherever you practice

• Jump in within seconds from Home Screen and Lock Screen widgets

• Family Sharing: share Numbio Pro with up to five family members

• Available in 29 languages

PERFECT FOR

Students building arithmetic confidence • Test-takers prepping for GMAT, GRE & entrance exams • Professionals staying sharp • Parents and kids learning times tables • Anyone who loves a good number puzzle

Join thousands of learners worldwide sharpening their mental math with Numbio.

Questions or feedback? We'd love to hear from you at [email protected].

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Privacy Policy: https://www.numbio.com/privacy

* Requires a Numbio Pro subscription.