Try some of the websites below to help practise key skills.
BBC Bitesize KS1 - Lots of Games and Activities for Maths, English and Science
BBC Bitesize KS2 - Lots of Games and Activities for Maths, English and Science
BBC Bitesize KS3 - Lots of Games and Activities for Maths, English and Science
KS1 Maths Games
Maths Trainer - Improve your speed at quick addition, subtraction and multiplication.