

Mi abuela tiene ochenta años.
[mj aˈβwela ˈtjene oˈʧenta ˈaɲos.]
My grandmother is eighty years old.
¿El libro tiene ochenta páginas?
[¿el ˈliβɾo ˈtjene oˈʧenta ˈpaxinas?]
Does the book have eighty pages?
No puedo correr ochenta metros.
[no ˈpweðo koˈreɾ oˈʧenta ˈmetɾos.]
I can't run eighty meters.
"ochenta" is in the lesson "Big numbers" (Level 4), along with 11 other useful words. LinDuo has 180 topic lessons like this one, 2,369 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.