Toan Tu Duy

Toan Tu Duy — an interactive educational app for math thinking and logic practice. Explore a challenge map with 7 mini-games, 10 questions each (70 total). Track progress, unlock badges as you complete each section, and get hints when you need help. 🎮 7 MATH THINKING CHALLENGES • Same Number Fill — observation and reasoning • Consecutive Numbers — number sequence logic • Number Pyramid — top cell equals sum of two below • Smart Tree Planting — row and column logic • Logic Puzzle — equation-style brain teasers • Number Matrix — fill numbers by matrix rules • Mental Math Tricks — squaring numbers ending in 5 🏆 PROGRESS & ACHIEVEMENTS • 70 questions total (10 per game) • Complete 1 game → unlock 1 badge • Track completion % on the Trophy screen • Clear learning goals that encourage steady practice 📚 GUIDANCE & HINTS • Per-question hints when you get stuck • Clear, easy-to-use interface • Vietnamese and English supported ✨ PRIVACY • No account sign-up required • No ads • Progress saved on device — practice anytime • Public privacy policy available 🗺️ CHALLENGE MAP From Math Village to Galaxy of Numbers — each level introduces a new theme to keep practice engaging. Toan Tu Duy helps learners: ✓ Build logic and math thinking skills ✓ Practice through play, not pressure ✓ Gain confidence solving problems step by step ✓ Stay motivated with badges and progress tracking Download Toan Tu Duy — sharpen your math thinking every day!