FTR, he has made straight As this year. But his test scores, especially in math, do not reflect that. He seems to have more in his head than he is able to put on paper. Then there are little things like the way he understands written directions. He took a test last week in math that had three steps. The third said subtract. He said he didn't know he was suppose to write down the answer, so he didn't. For 4 problems. Or the way he tries to explain why/how he has done his math.
I think it is a combo of asynchronies and perfectionism, perhaps.
