1. Integers and Absolute Value
Chapter 3 Lesson 1
Integers and Absolute Value

2. Vocab:
integer
An __________________ is any number from the set (…, -4, -3, -2, -1, 0, 1, 2, 3, 4, ...), where ... means____________________.
integers are integers __________ than zero.
______________ integers are integers __________than zero.
The _____________ value of a number is the distance between the number and _____________ on a number line.
continues without end
Positive
less
Negative
greater
Take out underlined words for ELD
absolute
zero

3. Examples: -5 5 1. an average temperature of 5 degrees below normal
2. an average rainfall of 5 inches above normal
______ -5
______
Take out answers for ELD 5

4. Your Turn  6 -2 a. 6 degrees above normal b. 2 inches below normal
Take out answers for ELD -2

5. Graph Graph the set of integers {4, -6, 0} on a number line.
Take out dots for ELD

6. Try some more… Graph each set of integers on a number line.
d. {-4, 10, -3, 7}

7. Absolute Value
Distance between the number and zero on a number line. Examples: |-5| = |5| =
ALWAYS POSITIVE!!! 5 5

8. Examples:
|-4| =
|-5| - |2| = 4
5 – 2 3

9. Try these by yourself!
|8|
2 + |-3|
|-6| - 5 8 5 1

10. Word Problem
Nick climbs 30 feet up a rock wall and then climbs 22 feet down to a landing area. The number of feet Nick climbs can be represented using the expression |30| + |-22|. How many feet does Nick climb? =
=52 feet

11. Exit Ticket
A loss of 11 yards |-9| |18| - |-10|

12. Homework
Workbook pg #1, 2, 6, 8, 11, 14, 16