Great website for defining grammar terminology:
https://www.theschoolrun.com/primary-literacy-glossary-for-parents
Site full of interactive maths games for different areas across the curriculum (including times tables):
https://www.topmarks.co.uk/maths-games/7-11-years/times-tables
The BBC bitesize website has loads of great videos, tutorials and interactive games to help with learning at home.
Maths: https://www.bbc.co.uk/bitesize/subjects/z826n39
Literacy: https://www.bbc.co.uk/bitesize/subjects/zv48q6f
https://www.topmarks.co.uk/maths-games/7-11-years/times-tables
https://www.timestables.co.uk/