Smart me! Math and mental arithmetic made easy play online

With Smart me! you can improve your mental arithmetic skills and power of concentration.
The app is suitable for children and adults and ideal for preschool and elementary school.

- provides all arithmetic operations (addition +, subtraction , multiplication and division )
- simple switching between number ranges up to 10, up to 20 and up to 100 makes it suitable for the first grade of elementary school too
- promotes learning by repeating incorrectly solved math problems automatically
- stimulating sounds and motivating grading system
- no unnecessary app permissions
- multi user support
- it's free and in English