IL NUMERO – a number (“il” is an article, we will learn it in the Lesson 6)
ZERO – zero
UNO – one
DUE – two
TRE – three
QUATTRO – four
CINQUE – five
SEI – six
SETTE – seven
OTTO – eight
NOVE – nine
DIECI – ten
Now you are able to understand the basic numers of a price after your question “Quanto costa?”
The currency in Italy is Euro and there isn´t a big difference of value between Euro and Dollars, check google if you need.
L’EURO – Euro (“l” is an article, we will learn it in the Lesson 6)
An alphabetical list of the vocabulary can be found here.