Arithmetics

Maths Lessons & Examples from Arithmetics

Arithmetics, theory and formulas

Natural numbers
Decimal number system. Roman numerals. Representation of natural numbers on an axis. Comparing and approximation

Powers of natural numbers
Tips and exercises

Ordinary fractions
Definition. Elements of the fraction. Classification fractions

Prime Numbers. Prime integers
Definition. Examples. Mobile App

Fractions
Improper Fraction. Introducing whole fraction

Divisibility of natural numbers. Criteria for divisibility
Criteria for divisibility of natural numbers

 

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