Here are lots of ideas and activities for you to try., including websites for games and activity sheets. Try to do some practical Maths activities too- eg baking involves measuring, fractions and is great fun!
Remember to log in to Times Table Rock Stars to keep practising!
A very good resource is Carol Vorderman's themathsfactor.com. It usually costs money to subscribe but is now FREE until schools reopen ! studies have shown that children who use this regularly can quickly make up for any lost progress.