Just as we did in school - continue practising your time tables knowledge at home. There are lots of resources available like TTRS, Hit the Button, Purple Mash etc.
If you prefer to sing and dance - the BBC do a fantastic collection of videos: https://www.bbc.co.uk/teach/supermovers/times-table-collection/z4vv6v4
Every Tuesday to Friday complete the time tables test linked below. You have 4 minutes for each test and it will cover knowledge all the way to the 12 time tables.
You can do the time tables test at any point of the day like before the afternoon session two or at the beginning of your math's lesson - it is up to you.
If you are unable to print it out - write your answers down neatly on a piece of paper then get an adult or elder brother or sister to check through your answers to see how well you did.