Twinkl have opened up their website for free so all parents/carers can take advantage of their teacher-created resources including entire schemes of work, assessments and online educational games.
Step 1: Go to www.twinkl.co.uk/offer
Step 2: Create an account and enter the offer code CVDTWINKLHELPS
Here are links to some year 4 resources incorporating all parts of the curriculum.
https://www.twinkl.co.uk/resource/year-4-school-closure-home-learning-resource-pack-t-e-2549913
https://www.twinkl.co.uk/resource/year-4-school-closure-interactive-learning-links-t-e-2549922
In addition, in the search bar you can search for 'school closure' which will bring up more resources.
For further support, they have a parents hub where you can access useful guides and activities https://www.twinkl.co.uk/resources/parents