"You need to control your anger." (Too vague) Say: "Your fists are clenching. That is a warning sign. Put your hands in your pockets for two minutes or go punch the punching bag in the garage."
Walk over, touch his shoulder, get to his eye level. "Freeze. Look at me." discipline4boys
"How do you think that made the teacher feel?" (Too abstract) Say: "You threw a pencil. The rule is respect supplies. Your consequence is sharpening all the pencils in the house. Go." "You need to control your anger