Tutor Bot contains completely free online maths games where children can practise their mathematics skills.  There are over 100 different customisable games which the children will find to be a fun and new way to improve their mathematics fluency, accuracy and speed.

https://www.tutorhunt.com/tutor-bot/

TTRS - Time Table Rockstars: https://play.ttrockstars.com/

 

NUMBOTS - Early Maths Games focusing on; counting, subitising, number bonds, adding and subtraction https://numbots.com/