Announcements:  Turn in Astrocamp handouts ASAP!!!  Get packing, we will be at camp September 26-28.  Luggage needs to be at school on Friday, Sept.  23rd.

7th Grade Math:  The Number System - Adding positive and negative numbers.

1.   Dice game with subtraction.  Mark those that need add the opposite

2.  1.3 pages 22-23 on white boards

Homework: Packet #3 due Friday

8th Grade Math:  Identifying and Understanding Rational and Irrational Numbers.  Finding perfect and imperfect squares and placing them on the number line.

Khan Academy Negative Exponents:  

1.  Exponent Rules handouts

3.  Finish 2.1 together

http://www.mathworksheets4kids.com/exponents.php

http://dhs.dcsdschools.org/common/pages/DisplayFile.aspx?itemId=30523030

www.mcckc.edu/tutoring/docs/bt/exp_rad_log/Exponent_Rules_&_Practice.pdf

www.lavc.edu/math/library/math113_114_115/Worksheets/expruleneg.pdf

Homework: 

Physical Science:  The Earth and the Solar System

L  For All Mankind

2.  Research Apollo Missions