Prayer: At what age are parents required to teach their children Islamic laws and acts of worship?

Practical Laws of Islam as per the teachings of Imam Khamenei

Prayer: At what age are parents required to teach their children Islamic laws and acts of worship?

English:

Question #722:

At what age must parents teach their children the rules of Islamic law and the rites of worship?

Answer #722:

It is mustaḥabb for the guardian of children to teach them the rules of Islamic law and the rites of worship when they reach the age of discrimination.

-Imam Khamenei, Practical Laws of Islam, Importance and Conditions of Prayer