Start with the ones attached to something the child already does every day: eating, sleeping, waking, leaving the house, entering the bathroom. A dua tied to an action is remembered; a dua learnt from a list is recited once and forgotten by Thursday.
The order that works
Bismillah, and the dua before and after eating
Three meals a day is three reminders a day. This is why it sticks first.
Sleeping and waking
Said at the same two moments every day, by a parent first and then by the child.
Entering and leaving the house
Short, and tied to a door they walk through several times a day.
Before and after the bathroom
Easy, and children enjoy having a rule of their own.
Travel, rain, new clothes
The occasional ones, once the daily ones are automatic.
How to teach them without a test
- Say it yourself, out loud, at the moment it belongs to. Children copy what they hear in passing more reliably than what they are told to memorise.
- One dua at a time, for a week or two, before the next.
- Teach the meaning in the language your child thinks in -- a sentence, not a lecture.
- Do not quiz them in front of guests. That is the fastest way to make a child dislike the whole business.
Where the lessons fit
In class, duas sit alongside the reading rather than replacing it. A few minutes at the end of a lesson, with the meaning explained in English or Urdu, is enough for one dua a week -- and the child arrives already half knowing it if you have been saying it at home.
Related
How to teach namaz to kids
The next thing after the daily duas.
Short surahs for kids to memorize first
And why those ones.
Online Islamic classes
What the Islamic studies lessons cover.