This website provides a whole host of videos (often animated) suitable for pupils at explaining concepts. This may help to secure understanding when learning remotely. Subjects range from Maths, English, Science, Computer Science to Music and the Arts.
This website has lots of ideas for curriculum linked resources that encourage pupils to learn actively. It highlights the importance of staying active and has examples of activities to use within Maths, English, PSHE, Science and Modern Foreign Languages for both KS1 and KS2.