Originally Posted by KJP
Also, time is definitely an issue with math. He can't do anything quickly. He has very few facts on recall and does a lot on his fingers or with pictures still.
And in answer to Emma's question, yes, this situation falls under dyscalculia. It's not that unusual for dyslexics with low rapid naming, as it's essentially a manifestation of the same underlying issue that causes poor reading fluency, but in mathematics.

...pronounced like the long vowel and first letter of the alphabet...