Unlimited attempts at practising a simulator test
https://www.timestables.co.uk/multiplication-tables-check/
Percy Parker Youtube videos - focus on 6s, 7s, 8s, 9s and 12s
https://www.youtube.com/channel/UC_zy534iRaPxlFdniQZr8Kg
Hit the button times tables game - focus on 6s, 7s, 8s, 9s and 12s
https://www.topmarks.co.uk/maths-games/hit-the-button
Maths Shed Times Table Check Simulator