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