# Mathematics

Pythagoras, an ancient philosopher, said: “The world is built on the power of numbers”. That is why in making friends with mathematics you can make progress against the world's largest problems. Blitztest is the very tool to help gain this friendship at first sight. The Mental Math Gym will help you check and develop useful mental arithmetic skills — key to successful study of math beyond elementary school.

# Mental Math Gym

An online multiplication table and mental arithmetic skill test. Choose any arithmetic operation, number of test questions and begin testing your addition, subtraction, division, and multiplication skills.

Arithmetic operation

Number of questions in the test

Trainer modes

Learning mode

Negative numbers

Large numbers

Text-based questions

## Learn from Leitner's system

To make it easier to remember the questions from the Blitztest trainers, the site features the smart repetition system. Choose the goal you want and start studying.