You might find cardinal (counting) numbers the most useful to know—you will need them to express time, record dates, do math, interpret recipe amounts, and, of course, count. In Italian, cardinal numbers are written as one word. Use the following table to memorize numbers from 1 to 100.
ITALIAN CARDINAL NUMBERS: 1-100
1
uno
OO-noh
2
due
DOO-eh
3
tre
TREH
4
quattro
KWAHT-troh
5
cinque
CHEEN-kweh
6
sei
SEH-ee
7
sette
SET-teh
8
otto
OHT-toh
9
nove
NOH-veh
10
dieci
dee-EH-chee
11
undici
OON-dee-chee
12
dodici
DOH-dee-chee
13
tredici
TREH-dee-chee
14
quattordici
kwaht-TOR-dee-chee
15
quindici
KWEEN-dee-chee
16
sedici
SEH-dee-chee
17
diciassette
dee-chahs-SET-teh
18
diciotto
dee-CHOHT-toh
19
diciannove
dee-chahn-NOH-veh
20
venti
VEN-tee
21
ventuno
ven-TOO-noh
22
ventidue
ven-tee-DOO-eh
23
ventitré
ven-tee-TREH
24
ventiquattro
ven-tee-KWAHT-troh
25
venticinque
ven-tee-CHEEN-kweh
From:https://www.dbfei.com/Article/yidaliyu/201311/6984.html