Mental arithmetic

This app allows to improve mental calculation skills easily and quickly.

Our app are ideal for kids making their first steps in learning math, as well as for adults who want to train their brain.

Keep your brain fit through regular math exercises.
Your brain will work faster and more efficiently.

Levels:
0. The composition of a number up to 10
1. Addition and subtraction up to 10
2. Addition and subtraction up to 20
3. Chains of examples up to 10
4. Addition and subtraction of two-digit and one-digit
5. Addition and subtraction of numbers, one of which is round
6. Addition and subtraction up to 100
7. Multiplication and division by one number
8. Multiplication and division up to 100
9. Addition and subtraction up to 1000 (round numbers.
10. Chains on addition and subtraction up to 100
11. Chains with brackets on addition and subtraction up to 100
12. Multiplication and division up to 1000 (round numbers.
13. Chains on multiplication and division up to 100
14. Mixed chains up to 100
15. Chains with brackets
16. Negative number
17. Chains with negative numbers
18. Comparing fractions
19. Addition and subtraction of fractions
20. Multiplication and division of fractions
21. Decimal fractions
22. Comparing fractions and decimals
23. Addition and subtraction decimals
24. Multiplication of decimals
25. Division of decimals
26. Exponentiation
27. Exponentiation. Long examples
28. Exponentiation. Fractions