Train your mental math in seconds
Solve problems against the clock, learn from step-by-step solutions and watch your accuracy improve every day. Math that feels like a game.
- 13categories
- 4game modes
- 3difficulty levels
Everything you need to think faster
Practice in short sessions, understand every mistake and track your progress.
Step-by-step solution after every answer
We don't just tell you whether you got it right. Every question comes with a detailed explanation: identifying the terms, lining up the digits, carrying or borrowing… so you understand the why and don't make the same mistake twice.
- Explanations for every type of operation
- Perfect for reviewing what you learn in class
- Master each operation at your own pace
Earn points and bonuses for quick answers
Every correct answer adds points, every miss takes them away. Answer in under 5 seconds and you get extra points. Adjust the timer or turn it off whenever you like.
Streaks, XP and achievements that keep you coming back
Keep your daily streak alive, level up with XP and unlock trophies. Clear stats show your accuracy, correct answers, best combos and days played.
- Daily streak and XP-based levels
- Unlockable achievements and trophies
- Weekly progress report
From basic addition to order of operations
Pick the challenge you want to practice or let Random mode surprise you.
Random
A mix of all operations
Addition
Practice adding numbers
Subtraction
Sharpen your subtraction
Multiplication
Master your times tables
Single Digit
One-digit numbers
Two Digits
The two-digit challenge
Fractions
Add and subtract fractions
Powers
Work out powers and exponents
Equations
Solve simple equations
Comparison
Compare expressions
AdvancedPremium
Mixed operations (PEMDAS)
PercentagesPremium
Find percentages of numbers
Square RootsPremium
Roots of perfect squares
Four ways to put yourself to the test
When you want more than practice, pick a challenge.
Time Attack
60 secondsAnswer as many questions as you can before time runs out.
Survival
3 livesKeep answering without losing all your lives.
Daily Challenge
10 questionsA new challenge every day. Just one shot.
Multiplayer
2 playersTake turns on the same device. Who's the fastest calculator?
Designed for one-handed play
Make it yours
Light, dark or system mode, plus six color themes to choose from. You can also turn sounds, vibration, the timer and bonuses on or off.
Got questions?
Is Trivia Math One free?
Yes. You can download it and play most categories and modes for free. Premium unlocks advanced categories, detailed explanations and unlimited challenges, and removes ads.
What ages is it for?
Anyone who wants to improve their mental math: students brushing up on basic operations and adults who want to keep their mind sharp. Difficulty ranges from easy to hard.
How does scoring work?
You earn +3 points for each correct answer and lose 1 for each miss. Answer in under 5 seconds and you get +2 bonus points.
Which devices is it available on?
It's available for iPhone and iPad on the App Store, and for Android phones and tablets on Google Play.
Start training today
Just a few minutes a day is enough to notice the difference.