In this lesson you'll learn how to count to 15 in Spanish. Counting up to 15 is completely irregular. After that, it becomes more regular, as you'll learn in a later lesson.

0 - cero	10 - diez
1 - uno	11 - once
2 - dos	12 - doce
3 - tres	13 - trece
4 - cuatro	14 - catorce
5 - cinco	15 - quince
6 - seis
7 - siete
8 - ocho
9 - nueve

The number one by itself is uno in Spanish. However, before a masculine noun it becomes un and before a feminine noun it becomese una.

one book	un libro
one house	una casa
two books	dos libros
three big houses	tres casas grandes