The kids need to be taught how to read the story in English, so you can tell them how to solve the problem.
The story will need to fit within a pre-defined period of time, for example a week.
But the kids can’t be left to their own devices, so the teacher can help them understand how they should solve the task.
Read more from the Guardian: https://www.guardian.co.uk/books/2012/jan/01/books-and-reading-teachers-how-to-teach-children-english-article