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!