KS1

http://www.crickweb.co.uk/ks1numeracy.html

http://www.ictgames.com/

http://www.bbc.co.uk/bitesize/ks1/maths/

 

KS2

http://www.topmarks.co.uk/maths-games/7-11-years/mental-maths

http://www.bbc.co.uk/bitesize/ks2/maths/number/mental_maths/play/

http://resources.woodlands-junior.kent.sch.uk/maths/wordproblems/index.html

http://mathszone.co.uk/calculating/mental-addition/

http://mathszone.co.uk/calculating/mental-subtraction/

http://www.mathplayground.com

http://www.crickweb.co.uk/ks2numeracy.html

https://whiterosemaths.com/homelearning/