Opposites
What is the definition of opposites?
Two numbers are opposites if:
1. they are each the same distance away from zero
2. On opposite sides of the number line (one positive and one negative)
What is the definition of absolute value?
The distance a number is from zero.
3 _____ -3
>, <, or =
>
5 degrees below zero
-5
What is the absolute value of 1.5?
1.5
What is the opposite of 15?
-15
What is the absolute value of 18?
18
|-4| _____ |2|
>, <, or =
>
Deposit of $100
100
What is the opposite of the opposite of 4?
4
What is the opposite of -75?
75
|-9|
9
|0| _____ |-7|
>, <, or =
<
30 feet above sea level
30
The absolute value of a number is always ____________ because _____________ can never be negative.
positive ; distance
What is - (-6)
6
- |9|
-9
|-5| _____ |-12|
>, <, or =
<
Reducing speed from 30 mph to 10 mph
-20
My bill at Mcdonald's was $5.10
What integer represents this situation?
-5.10
What is - (- (- (-11))) ?
11
-|-10|
|3| _____ |-3|
>, <, or =
=
The ground represents what integer (number)?
0
The temperature in New York City was 10 degrees below zero. The temperature in Chicago was 8 degrees below zero. Which temperature was colder, New York City or Chicago?
New York City: -10 < -8