The BBC have numerous websites that are useful for teachers and students. Their Bitesize collection focuses on Key Stage 1 (Prep, years 1 and 2) – numeracy and literacy, with Science games and quizzes, Key Stage 2 (years 3, 4, 5 and 6) – English, Maths and Science and Key Stage 3 (years 7, 8 and 9) – English, Maths and Science. The sites include games for students and lesson plans and worksheets for teachers.

KS2 Bitesize includes resources for:

• Spelling
• Microorganisms
• Grids
• Fractions
• Changing state
• Argument
• Probability
• Light and dark
• Planning

KS3 Bitesize includes resources for:

• Reading, writing, speaking and listening
• Shakespeare scenes and play summaries
• Number, algebra, handling data, measures, shapes and space
• Living things, energy and forces, chemicals, Earth and space.

Another excellent tool from a reputable source.