DS started reception about 3 weeks ago. He is very good at maths. To give context; he can count and recognise numbers past 1000 (probably more, he knows how 10000 etc. works, I'm just not sure at what point he'd get stuck), can do single digit addition in his head and can work out how to add bigger numbers; such as by saying if 8 + 6 is 14 then 80 + 60 is 140. Similar for subtraction although not as confident. Can count in 2s / 3s / 4s / 5s and 10s. Can do basic multiplication and division and problem solve (I asked him how he'd share 10 items between 3 people, he said he'd take one away and give 3 each). I think he just has very good understanding of patterns and so if you explain how something works he can extrapolate it and apply it to bigger / different numbers. His knowledge of shapes and measure is pretty good too. Basically anything number or pattern based he's on it.
With everything else he's clever and learns quickly but isn't really above average (can't read, not that interested in learning to, although likes being read to).
Before he started at school I mentioned to his teacher at the open evening that he's good with numbers because I wanted to check how they'd deal with it. They were very enthusiastic and said they'd find him open ended stuff to do that would suit him.
So far he has played games matching numerals up to 10 with pictures of groups of items and put up to 6 people in a car with a number on (just matching physical objects to written numerals again) he says it's boring.
I don't want to be 'that' parent and harass busy teachers about my child. I know they have a whole class to teach. But I really don't want him being bored and not learning anything. I thought maybe they need time to assess his ability themselves rather than just have my 'my kid is a genius' taken at face value (I don't think he's an actual genius!). I'm not sure what the balance is, how long do I leave it before checking in and seeing what they think / if they're going to find him some more interesting work?