Important Concepts
Adding Integers
Subtracting Integers
Word Problems
Mixed Review
100
Absolute Value
The distance of a number from zero
100
-5 + 9
4
100
-4 - 6
-4 + (-6) = -10
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

The Wolves football team score 5 touchdowns.  Only 2 of the 5 touchdowns earned an extra point.  Their opponent, the Lions, scored 4 touchdowns and 3 extra points.  How much did the Wolves win by?  

What is 5?

200
Integer
Positive and negative whole numbers and 0
200
-12 + 5
-7
200
4 - 11
4 + (-11) = -7
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

The inverse of the absolute value of 27 is

What is -27?

300
What are additive inverses
Numbers that are opposite and have a sum of zero
300
-16 + (-17)
-33
300
15 - (-7)
15 + 7 = 22
300

The temperature is now 76 degrees, it dropped 12 degrees overnight. What temperature was it last night?

76-12 = 64 degrees

300

72 - 102

-30

400
What does this mean? |-6| = 6
The absolute value of -6 is 6, or -6 is 6 units from zero.
400
How do you find the sum of numbers with different signs
Subtract and take the sign of the # with the greater absolute value
400
-27 - (-3)
-27 + 3 = -24
400

In a game, Jareek earned 15 points in the first round; in the 2nd round he lost 20 points for not showing sportsmanship. In the final round he scored double what he did in the first round. What is his final score?

15 + (-20) + 30 = 25 points

400

An elevator is on the twentieth floor. It goes down 11 floors and then up 5 floors. What floor is the elevator on now?

What is 14?

500
Subtracting a positive number is the same thing as...
Adding a negative 7-4 = 7 +-4
500
-16+18+-17
-15
500
-10 - 11 - (-3)
-10 + (-11) + (3)= -18
500

Nikkia starts with $1000 in her bank account, she withdraws $750 to pay her rent. She lets a friend borrow $70, and then she buys new clothes for $120. She finds $100 cash on the street and deposits 1/4 of it. How much money is in her bank account?

$85

500

Starting from the school, the track team ran 7 miles to Target, they then ran 50% of the distance back towards the school, they saw a dog and ran 2.25 miles towards Target. How far are they away from the Target?

What is 1.25 miles?

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