Solve with customizable difficulty levels. Track progress over time. Choose between 30-second or 60-second timed challenges. Practice addition, subtraction, multiplication, and division.
Solve problems with interactive exercises and instant feedback. Practice with 100 free problems and unlock 10 more weekly. Track progress and revisit topics for reinforcement. Access unlimited content with a subscription.
Play a mental calculation game by clicking bubbles in ascending order. Track progress through 5 difficulty levels. Compete in Game Center rankings. Manage time limits and avoid tricks. Sync across devices for iPad and iPhone.
