Numeric field:
Natural numbers 1 → 1 billion and zero.
Fractions and decimals (max. 2 dec. Places)
(Rational numbers> 0)

 1) Multiplication and division heart
 2) Addition and Subtraction heart
 3) Comparing numbers
 4) Rounding and notation
 5) Written addition and subtraction
 6) Written double-digit multiplication factor
 7) Roman numerals (game 6 levels of difficulty)
 8) Decimal numbers
     a) Addition and Subtraction
     b) Multiplication and division 10,100
     c) comparing
  9) Word problems
10) Fractions - verbal tasks (Select the correct answer)
11) Fractions - Memory Game
12) Geometry (circumference and area of ​​plane figures)