Object: A blackboard with a complicated math problem on it.

Lesson: This teaching is difficult; who can accept it?

Good morning, boys and girls. It's almost time for school to begin again. How many of you will be glad to get back to school? (Wait for show of hands.) Some of you will be glad and some of you won't. Some of you go to school all day and some only a half day and some of you go to preschool. Some of you don't go to school at all yet. Since it's almost time for school, I brought my blackboard because I thought you might need to practice a little. Let's look at this math problem. (Start doing the math problem out loud quickly.) Would anyone like to help me? (Response) Oh, you think this is too hard. If it's so hard, why can I do…