Math trainers

	Arithmetic: Have fun adding, substracting, multiplying, dividing, squaring, and taking roots. There is also another Addition game with a different choice of the values. - Multiplications (1-10) - Multiplications (1-20)
Roman numerals: Exercise translating from roman into arab numbers. There is also a game with the Multiplication of Roman numerals.
	Calculations with fractions: Remember how much fun it is to discover that 16/18 represents the same number than 8/9? If yes, you will find this game fun and never stop playing. If no, you should play to experience the fun.
From words to numbers.: This game includes written numerals in English, French, German and Spanish.