Important Concepts
Adding Integers
Subtracting Integers
Word Problems
Mixed Review
100

Absolute Value

The distance of a number from zero. Always positive

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

Maya bought 3 bouquets of flowers for $15. How much did each bouquet cost?

15/3 = $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

Jimmy made 48 cookies using 4 spoons of butter. How many cookies can he make with one spoon of butter?

48/4 = 12 cookies

300

Opposite

Two numbers with the same absolute value but one is positive and the other is negative.
300
-16 + (-17)
-33
300
15 - (-7)
15 + 7 = 22
300

The temperature right now is 76 degrees. Last night, the temperature was 12 degrees colder. What temperature was it last night?

76-12 = 64 degrees

300

Liam spent $5.76 in 12 pounds of potatoes. How much would he spend in one pound of potatoes?

5.76/12 = $0.48

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

A person runs 52 miles in 4 hours. Write an equation to represents how many miles they can run per hour.

52/4 = 13

y=13x

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, 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?

1000+(-750)+(-70)+(-120)+25 = $85

500

Jose buys 25 cards for $10. Write an equation to represent how much he pays for each card.

10/25=0.4

y=0.4x

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