2008-09 WINTER BREAK ONLINE: ACTIVITY #1

Welcome to the FIRST challenge of four activities for Ms. Park & Ms. Moretti's classes!
Show all work on scratch paper, and attach it to the worksheet that Ms. Park and Ms. M. distributed in class. Each week, a new activity will be posted. The activity will only be available for the specified amount of time. Therefore, you MUST log on each week. If you will be on the road and/or will not have Internet access, contact Ms. M. ASAP by emailing elyse.moretti@gmail.com . Thanks and have a terrific winter break!

Activity 1: Available Thursday, December 18 – Monday, December 22
Integers
1. -3 + (-4)
2. 7 – 18
3. -3 – 9
4. (14) (-2)
5. -12 ÷ -3

Absolute Value
1. -36 = ________

2. -4 + -3 = _____

3. -6 - -2 = ______

4. -27 - 32

5. Which is bigger: -25 or 21?

Scientific Notation
1. Write 86000 in scientific notation.
2. Write 1.28 x 10-4 in standard notation.
3. Which is bigger, 6.18 x 106 or 9.8 x 104?
4. Which is bigger, 3.1 x 10-5 or 2.7 x 10-4 ?
5. Write 78321 in scientific notation.