Math Tricks & Challenges

Think fast. Math smart.

Math Tricks & Challenges teaches you clever mental math shortcuts, then lets you test your speed with fun challenges. Multiply by 11 in your head, square numbers ending in 5 in seconds, find 15% of any number without a calculator, and pick up magic number tricks to amaze your friends.

📘 LEARN STEP BY STEP

24 lessons explain each shortcut with a worked example, the steps one at a time, and why the trick works. When you're ready, practise it with 10 questions. Score 8 out of 10 to master the lesson.

• Multiplication: × 5, 9, 11, 12, 15, 25, 50, 99, and the double-and-halve trick

• Squares: numbers ending in 5, near 10 and near 100, and numbers around 50

• Percentages: 5%, 10%, 15%, 20% and 25% of any number

• Division, fractions, and adding or subtracting 99

🔭 EXPLORE 85 TRICKS, PUZZLES AND NUMBER FACTS

Browse a library of math tricks and search it by word or number:

• Magic number tricks: guess a friend's age, birthday or phone number

• Card and dice tricks with the math explained

• Mental multiplication methods: Vedic crosswise, Russian peasant and Egyptian

• Divisibility rules for 2 to 11

• Puzzles, patterns and surprising number facts

Filter by category, or tap "Surprise me" for a random trick.

⚡ 7 CHALLENGE MODES

• 60-Second Sprint: answer as many as you can in one minute

• 10-Question Speedrun: race the clock

• Survival: three lives, how far can you go?

• Endless Practice: no timer, no pressure

• True or False: judge equations in an instant

• Missing Number: fill the gap in the equation

• Daily Challenge: ten new questions every day, plus bonus XP

Every answer comes with a short explanation, and the results screen reviews your mistakes.

🎴 NUMBER MATCH

A memory game: match each equation to its answer in as few moves as you can.

🏆 TRACK YOUR PROGRESS

Earn XP, build a daily streak, unlock achievements, and see your accuracy, mastered lessons and best records.

🎨 MAKE IT YOURS

Light, dark or system theme, and a choice of accent colours.

✅ WHY YOU'LL LIKE IT

• Answers are checked by the app's own math engine, so they're always exact

• Lessons, tricks, challenges and games work offline

• No account or sign-up: your progress stays on your phone

• Great for students, competitive exam preparation, and anyone who wants a sharper mind

The app is free with small banner ads, which never appear during a challenge or game. A one-time purchase removes all ads and unlocks every accent colour. No subscription.

Start your daily brain workout today!