1. Until now you have learnt to represent monetary values by means of the Euro microworld. In this part of the course you learn to represent numerical values by means of the Abacus microworld. You learn as well how to write numerical values in the decimal representation system using the Number Building microworld. Representing numbers with Euro, Abacus, and Decimal Digits

2. A two euro coin is represented in the abacus with two balls in the unit stick A 20 euro banknote is represented in the abacus by two balls in stick of the ten. Corresponds to

3. A 20 cents coin is represented in the abacus by two balls in decimal stick. 70 cents are represented in the abacus by seven balls in decimal stick. Corresponds to

4. 253 euro and 32 cents can be represented in the abacus in the following way. 253.32 euro