Idahomom, if he learns best by hearing about the whole apple first before the seeds, the opposite of how most teachers teach, that is a very common visual-spatial learner problem, and in that case I'd strongly encourage you to take a look at that website. There are a couple articles dealing with math as well. What, specifically, seems to be his difficulty with math, if you know?

How was his perceptual reasoning score on the WISC? Just wondering, thinking about whether whatever the problem is affected that as well.
smile