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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
Which direction do you go on the number line if you are adding?

right

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 absolute value of a number can never be...

negative

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 rose 12 degrees overnight. What temperature was it last night?
76-12 = 64 degrees
300

Draw and properly label a number line from -3 to 3. 

-3-------------0--------------3

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 sportmanship. 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

Is 0 a positive or negative number?

0 is not positive or negative.

500

positive and positive equals (+ +) ?

negative and negative equals (- -) ?

positive and negative equals (+-)?

positive and positive equals (+ +) = postive

negative and negative equals (- -) = negatvie

positive and negative equals (+-) = negative

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, 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

-4+4 is an example of what?

Additive Inverse Property (opposites)