Numbers that decrease from 0
Negative numbers
5 + 12
17
14
Jessica had $200 then spent $163. How much money does she have left?
$37
What is the opposite of -2?
2
Numbers that increase from 0
Positive numbers
- 2 + 8
6
-9 - 3
-10
A football team started at 42 yards and then gained 7 yards on their next play. How many yards to they have?
What is the opposite of 10?
-10
The set of all positive and negative whole numbers
Integers
7 + (-4)
3
6 - (-6)
12
Last night, the temperature in Chicago went down to 4 degrees. In Antartica, the temperature went down to -20 degrees. What is the difference?
24 degrees
What is the absolute value of -6?
6
Two numbers that are the same distance away from 0 and have different signs
Opposite numbers
-7 + (-1)
-8
- 3 - (-10)
7
In Antarctica, the air temperature is -5 degrees. The temperature of the nearby water is 33 degrees. How much colder is the air than the water?
38 degrees
What is the absolute value of 12?
12
Absolute Value
-10 + (-6)
-16
- 20 - (-5)
-15
Algonquin's Student Council spent $20 on chips for a basketball game. They earned $42. What is the profit?
$22
-9, -5, 0, 2, 7