My dd 10 yr5, had an Ed Psych. Assessment yesterday. We had to pay for it, as waiting list huge and we are at an independent school, so little support. Not cheap £500, but it answered a lot of questions we had.
Like you we had an idea, but she could ride a bike, climb, use scissors etc., but early signs were there, I remember she didn't decide which hand to hold a bat it for some time, having no preference! Her pencil grip is odd, but reasonable writing, if laborious, dislikes change etc. her verbal/ language skills, were apparently Superior, but her working memory low average, one test putting blocks together to make a pattern was completely odd, nothing like she was seeing!
Push for an assessment, if anything, it will mean she will get support moving on to secondary, but you don't need an assessment to start putting strategies in place.
Last night I spent some time Googling and I have a friend - unfortunately across the other side of the country, who has given me some ideas as she is a Specialist Teacher, she has started giving me them slowly, but I am happy to pass them on.
I haven't read these boards yet, but she suggested teaching dd to type, lots of kid friendly programmes ones out there, looking at Dexteria apps., doing visual stuff for us as dd struggles with maths, such as if she finds things like measurements difficult, use BBC bitesize and stuff in TES (you can join free), to watch. I have always used cuisenaire rods for maths, but am going to go back to them, as these will help with number placement.
Also look at Cogmed, which is a programme they do daily which helps working memory, I am going to try and get on a half day course next week, as it is fairly new, so want to find out more and one is local.
I am sure there are people on here with far more knowledge, but I think you need to just get on and do what you need to do, assessment or not, all the assessment has done for us, is confirm our instincts.
If you source anything useful, do let me know. It's a scary future for us, but the biggest thing that helped dd, was telling her Daniel Radcliffe has Dyspraxia!
[big grin]