Well, the brightest side of this situation got you is that your child is only 4yrs old.
Sadly, we as a country are going to have to acknowledge that there is disadvantage happening in education right now, as the children who don’t get any strong educational support from home are now missing out completely.
And by ‘support’ I mean that very widely, from mental stimulation, modelling positive behaviours, such as learning behaviours, right up to the actual teaching parents may be doing right now.
There will be a huge range in what parents are able to do, but I very concerned about the children who are really reliant on school and the gaps that are opening up there.
I hope that it can be sorted out afterwards, but it will take years in many cases to equalise, if ever.
I really hope the government acknowledges the reality of the situation and supports the education system in getting over this.
However, I do believe that for the great majority of us, we’re all in a big clump of similar efforts - trying as hard as we can, but really not being able to do much great new fresh teaching in reality.
But what we can do is keep up the reading (night time stories at least, if poss with shifts?!), and numbers just in everyday life eg for little children it’s as easy as counting stairs, number of jumps, lining up toys etc...
So, OP, I absolutely agree with you, it’s not great, but you’re little one is fortuneately young enough for this hiatus to not have much of an effect on them.