Here are some useful links to websites
English
http://www.bbc.co.uk/guides/z3c6tfr http://www.bbc.co.uk/bitesize/ks2/english/spelling_grammar/spelling/play/ https://firstlook.educationcity.com/content/index/1629 http://www.bbc.co.uk/schools/starship/english/games/blast_the_rocket/small_no_sound/standard2.shtml http://www.funbrainjr.com/games/A-MazingWords/ https://www.topmarks.co.uk/english-games/7-11-years/spelling-and-grammar https://www.phonicsbloom.com/
Maths
https://www.topmarks.co.uk/maths-games/3-5-years/counting http://www.funbrainjr.com/games/MushroomBounce/ http://fluencychallenge.com/play/play-ghosts.html http://www.bbc.co.uk/bitesize/ks2/maths/number/addition_subtraction/play/ https://www.topmarks.co.uk/ordering-and-sequencing/caterpillar-ordering/ http://www.arcademics.com/games/jet-ski/jet-ski.html http://www.bbc.co.uk/schools/websites/4_11/site/numeracy.shtml