Math 1 - Let's compare sets

From the beginning of our civilisation, the man tried to count but the lack of adequate language, especialy writin created enormus barriers.

Math 2 - Counting stones

People expresed quantity using their fingers. They also drew line and figures that meant quantity. Finally, they created symbols that expressed numbers.

Math 3 - Creating systems

Binary system incorporating counted elements in groups ot two makes The basis of functioning of microprocessors and computers. Thanks to this simple system of counting the creation of nowdays reliable fast computers has been possible.

Math 4 - Base three counting

Identical elements are incorporated in groups of three. We practice this system to understand the principless of the creation of any given base counting system.

Math 5- Decimal system

Globaly accepted counting system, we are using every day. Built using ten digits 0, 1, 2, 3 , 4, 5, 6, 7, 8, 9. Do we know its history?