Wednesday, January 27, 2010

Zachary Burak's Math recording

1 comment:

  1. I am not sure why it is off to the side.
    It would be good if you read the problem before you begin.
    I did not realize that the typing would be so loud.
    Why does the -4 become +4?
    Nice and clear.
    The red dot is easy to follow.
    Nice and clear explanation.

    ReplyDelete