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0 - 10

0 zero cero
1 one un, uno /-a
2 two dos
3 three tres
4 four cuatro
5 five cinco
6 six seis
7 seven siete
8 eight ocho
9 nine nueve
10 ten diez

11 - 20

11 eleven once
12 twelve doce
13 thirteen trece
14 fourteen catorce
15 fifteen quince
16 sixteen dieciséis
17 seventeen diecisiete
18 eighteen dieciocho
19 nineteen diecinueve
20 twenty veinte

21 - 30

21 twenty-one veintiuno /-a
22 twenty-two veintidós
23 twenty-three veintitrés
24 twenty-four veinticuatro
25 twenty-five veinticinco
26 twenty-six veintiséis
27 twenty-seven veintisiete
28 twenty-eight veintiocho
29 twenty-nine veintinueve
30 thirty treinta

Exercise #1

Please open the exercise to continue.

Listen and write the number you hear.
Escucha y escribe el número que corresponde.

Listen and write the number that comes after.
Escucha y escribe el número que viene después.

Listen and write the letter/number combination you hear.
Escucha y escribe la combinación de letras y números.

Exercise #2

Please open the exercise to continue.

Exercise #3

With your partner, click on Student A or Student B, then follow the instructions.