This lesson is focused on the Decimal Number System.
understand and appreciate the principles of the Decimal Number System (DNS).
2 is related to mathematics history, and in the activities of the lesson prospective teachers deal with the development of different number systems and their transformation into the present decimal number system.
The distinction between numeral and its sign, the use of symbolic characters, the importance of representation in decimal number system and in others number systems or the use of number line and a hundred-chart are the main aspects that we include in the activities.
The last part of the lesson is focused on the decimal number system and its principles, and on their importance in school mathematicas as well.