Use the links for addition help/practice.
Distance: http://www.youtube.com/watch?v=0IOEPcAHgi4 or
http://www.youtube.com/watch?v=nyZuite17Pc
Midpoint:
http://www.youtube.com/watch?v=8lln-wsg0rU
or http://www.youtube.com/watch?v=Ez_-RwV9WVo
HW: Segment Addition quiz is tomorrow, 9/12. Complete the midpoint questions on today's worksheet. Remember a midpoint is an ordered pair.