Number Ninja

Number Ninja turns maths practice into a fast, friendly game. Choose your challenge, answer quick-fire questions, and watch your streak grow as you train to become a true Number Ninja. Perfect for building speed and confidence with mental maths — whether you're brushing up on times tables or keeping your arithmetic sharp. HOW IT WORKS • Pick a difficulty: Easy, Medium, or Hard • Choose what to practise: addition, subtraction, multiplication, division — or mix them all • Answer 10 quick-fire questions per round with three lives • Build streaks for bonus points and earn up to three stars • Beat your best score and come back to top it WHY PLAYERS LOVE IT • Friendly, colourful design that makes practice feel like play • Bite-sized rounds that fit into a few spare minutes • Instant feedback that builds real number fluency • No pressure — just beat your own best score PRIVATE BY DESIGN • Works completely offline • No accounts, no sign-ups, no ads • No data collected — your best score stays on your device No in-app purchases. No advertising. Just maths, made fun.