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.
Learn mental arithmetic through 59 lessons on addition, subtraction, multiplication, division, squaring, and verification. Practice with timed training sessions and compete with friends via Game Center. Track progress and improve calculation speed.
Perform arithmetic operations by adding, subtracting, or multiplying adjacent numbers and entering the last digit of the result. Complete 15-minute sessions with 5-minute breaks, followed by a 15-minute session.
Learn addition and subtraction by solving problems to reveal colors and pictures. They can while practicing basic skills. The provides instant feedback on correct answers.
Learn tricks to solve problems quickly. Practice various operations with step-by-step guidance. Track progress and set daily challenges to improve calculation speed and accuracy.