Examples for the youngest children

Positive numbers
Integers
Fractions
- Fractions $\frac{a}{b}$
Převody jednotek
- Conversion of units km → m
- Conversion of units ′ → ° + ′
Powers and nth roots
- Exponentiation x²
- Exponentiation x³
- Nth root $\sqrt{x}$
- Nth root $^{\sqrt[3]{x}}$

Great multiplication I.