he best way to support your child is to read and speak with them in your home language, as having a good language model in their first language will help your child learn English. 

If you are looking for other ways to practise English, there are lots of games and activities here: British Council LearnEnglish Kids

There are also some fun English language games here: ESL games plus

Wow English TV has got stories and songs for learning English too.

Further guidance about the English school system and how to support your children can be found in this helpful document.