How many cats do you have? Teacher: “If I give you two cats and another two cats and another two, how many would you have?” Johnny: “Seven.” Teacher: “No, listen carefully... If I give you two cats, and another two cats and another two, how many would you have?” Johnny: “Seven.” Teacher: “Let me put it to you differently. If I give you two apples, and another two apples and another two, how many would you have?” Johnny: “Six.” Teacher: “Good. Now if I give you two cats, and another two cats and another two, how many would you have?” Johnny: “Seven!” Teacher: “Johnny, where do you get seven from?” Johnny: “Because I’ve already got a cat!” |