1. Bellringer 9 16

2. Go Over Homework

3. Ch. 1-2 Integers and Absolute Values

4. Why is this important to me?
Integers and Absolute Value
Integers can be used to measure temperature and to describe scores in sports

5. Negative Numbers Are Used to Measure Temperature

6. Negative Numbers Are Used to Measure Under Sea Level30 20 10
-10
-20
-30
-40
-50

7. Negative Numbers Are Used to Show Debt
Let’s say your parents bought a car but
had to get a loan from the bank for $5,000.
When counting all their money they add
in -$5,000 to show they still owe the bank.

8. Opposites
Number that are the same distance from zero on a number line but in opposite directions
-4 & 4
- C & C
-18 & 18

9. decimals and fractions
Integers
Integers are the set of whole numbers and their opposites
…-3, -2, -1, 0, 1, 2, 3
99,000,000
decimals and fractions
ARE NOT INTEGERS

10. The absolute value of a number is never negative!
A number’s distance away from zero on the number line
= 9 =7
The absolute value of a number is never negative!

11. Order each set of integers below from least to greatest.
-9, -6, -2, 3
Least
Greatest
-5, -2, 0, 4
Evaluate each expression below for a = 2 and b = 4.
a.) b.) c.) 16 8 10
You try some: a = -5
a.) b.) 11 25

12. http://www. sheppardsoftware
Absolute value
Ordering integers

13. Textbook page 12-13, problem 1-5 all 6-32 even
Homework Time
Textbook page 12-13, problem 1-5 all even