L.A.
He may have perfectionist tendencies and not like doing things wrong. In this case, I think that kindly and lovingly showing him that wrong isn't so bad would be helpful. Point out when you are "trying" and when it "fails" and that you try again and "succeed".
Another thing is that he may have 'acts of kindness' as his love language. In other words, when you do things for him, he hears "I love you". (the others are Words of Affirmation, Quality Time, Receiving Gifts, and Physical Touch.) You can google Gary Chapman or go to his website if you want to read more: http://www.garychapman.org/
Have patience for him. He's still young and hasn't even STARTED school yet.