Here are some websites to be used for fun!

https://www.mathplayground.com/grade_2_games.html 

https://gregtangmath.com/games

https://illuminations.nctm.org/

https://numberock.com/

http://www.shodor.org/interactivate/activities/ArithmeticFour/

https://www.coolmathgames.com/

https://www.funbrain.com/

http://www.mathgametime.com/

https://mrn365.com/

https://www.ninjamaths.com.au/

http://www.numeracyninjas.org/

https://www.sheppardsoftware.com/math.htm

https://toytheater.com/

https://xtramath.org/#/home/index

https://www.commoncoresheets.com/

This website is prodigy and you must have a login

https://sso.prodigygame.com/game/start?rid=afda678d-ff92-4e49-9e0a-a40a45ecddbd