Important Concepts
Adding Integers
Subtracting Integers
Word Problems
(Write the equation)
Mixed Review
100
Absolute Value
The distance of a number from zero
100
-5 + 9
4
100
4 - 11
4 + (-11) = -7
100
Jason dives 10 feet under water and swims back up 3 feet. Where is his current location in the water?
-10 + 3= -7
100

Write an addition expression equivalent to 

-33 - ( - 25).

-33 + 25

200
Integer
Positive and negative whole numbers and 0
200
-12 + 5
-7
200
15 - (-7)
15 + 7 = 22
200
Chris gets paid $100, and then must pay his cable bill which is $245. How much money does he have?
100 - 245 = $-145
200

A school of tuna fish is swimming 40 feet below the surface of the ocean. There is a coral reef 95 feet below the fish. How many feet deep is the coral reef relative to the surface of the ocean? (Write the equation)

- 40 + (- 95) = - 135 feet

300
What are additive inverses
Numbers that are opposite and have a sum of zero
300
-16 + (-17)
-33
300
-27 - (-3)
-27 + 3 = -24
300
The temperature is now 76 degrees, it rose 12 degrees overnight. What temperature was it last night?
76-12 = 64 degrees
300

n the morning, the temperature was 25°F. During the day, the temperature decreased 39°F. Which expression can be used to find the temperature at the end of the day?

25 - 39 or 25 + (-39)

400
What does this mean? |-6| = 6
The absolute value of -6 is 6, or -6 is 6 units from zero.
400

(-27) + (-3)

-30

400

15.6 − (−13.7 − 8.5)  

37.8

400

The highest elevation in Louisiana is 163 meters. The lowest elevation is about −2 meters. What is the difference?

163 - (- 2) = 165 meters

400

Plot the equation on a number line. 

-3 + 5 = 2

Look at papers

M
e
n
u