Do you know how to count from 1 to 10?

Do you know how to count? 

(¿Sabes contar?)

Yes, I know how to count from 1 to ten.  

(Sí, sé contar del 1 al 0)

Can you count from ten to 1?

(¿Puedes contar del 10 al 1?)

Yes, I can count from 10 to 1. 

(Sí, puedo contar del 10 al 1)