MCOnline : www.lead.com.sg
After trying Primary 1, you could try Primary 2 things.
Learnology: http://www.learnlogy.com/index.php
English:
Basic Words that you child could learn
Dolch List : http://www.mrsperkins.com/dolch.htm
Rhyming Words youtube video: http://www.youtube.com/watch?v=ggcr7hMInVE
Maths
Basic Maths Concepts
Printable Maths Flashcards: http://www.memory-improvement-tips.com/printable-math-flash-cards.html
More at google
Dolch words, Sight words, Fry List
Maths Flashcards
Your child could also do corrections in the Maths Workbook or Homework book. Feel free to erase the work with mistakes before and let your child do again.
Chinese ( What I know for my own children)