Scholastic has created a free learn from home site with learning and activity ideas. Please see the link below.
Starfall is an educational website with no advertising.
ICT Games has lots of useful English, Phonics and Maths games. Many are great for practising key skills in a fun way.
We use Crickweb lots in school. It has many Maths and Phonics games and topic activities. There are some adverts on this website.