101 allows users to addition, subtraction, multiplication, and division. Set custom number ranges and sessions of 3, 5, or 8 minutes. Track progress and view statistics to identify strengths and weaknesses.
Practice with exercises that improve number sense and calculation speed. Solve arithmetic problems without a calculator. Track progress over time and set daily practice goals. Learn techniques for faster calculations and memory training.
Play quizzes about and with three levels and a mixed mode combining all questions. Complete stages to unlock new levels. Answer questions in time attack mode with four difficulty levels. Track progress through increasing difficulty.
