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
26 ventisei ven-tee-SEH-ee
27 ventisette ven-tee-SET-teh
28 ventotto ven-TOHT-toh
29 ventinove ven-tee-NOH-veh
30 trenta TREN-tah
40 quaranta kwah-RAHN-tah
50 cinquanta cheen-KWAHN-tah
60 sessanta ses-SAHN-tah
70 settanta set-TAHN-ta
80 ottanta oht-TAHN-ta
90 novanta noh-VAHN-tah
100 cento CHEN-toh
The numbers venti, trenta, quaranta, cinquanta, and so on drop the final vowel when combined with uno and otto. Tre is written without an accent, but ventitré, trentatré, and so on are written with an accent.