My ds, 10, has been diagnosed ADHD and is doing great.
It can manifest itself in different ways, in different people. I am Dyslexic, and i cannot for the life of me do columns. Any thing like a graph escapes me. I also transpose letters badly.
A child may HAVE ADHD, but it is not what they ARE. Never tell a child they ARE ADHD.
Honestly, my first thought when reading your post was "future engineer." My dad has a high IQ and is a retired engineer. Brilliant with math and science, but ask him to spell and it's sad. Spelling has been a life-long challenge for him.
You might talk over your concerns with a doctor just to be safe. Never hurts.
Just a thouht here, but it's not unlikely that a person who has ADHD can also
It wouldn't hurt to have him tested. What does his reading teacher say?
It could also be nothing. I think it's a "male" issue...lots a of men are horrible with verbal stuff like reading and writing....but on the other hand are excellent at math & science.
I'm the same way. Very strong spelling skills, but only if I can write the word down. With oral spelling I struggle a bit.
It could be an auditory processing disorder.