Adding and Subtracting Integers Review

Adding Integers

100

-5 + 9

4

200

-12 + 5

-7

300

-16 + (-17)

-33

400

How do you find the sum of numbers with different signs

Subtract and take the sign of the # with the greater absolute value

500

-16+18+-17

-15

Subtracting Integers

100

-4 - 6

-4 + (-6) = -10

200

4 - 11

4 + (-11) = -7

300

15 - (-7)

15 + 7 = 22

400

-27 - (-3)

-27 + 3 = -24

500

-10 - 11 - (-3)

-10 + (-11) + (3)= -18

Word Problems

100

Jason dives 10 feet under water and swims back up 3 feet. Where is his current location in the water?

-10 + 3= -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

300

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

76-12 = 64 degrees

400

John has 10 apples. He gives 6 to Amanda. How many apples does he have left?

4

500

There are 23 students in the class. 3 withdraw and 5 are added. How many students are now in the class?

25

Mixed Review

100

what is a variable

a letter or symbol that represents an unknown

200

8.75 written as a percent

875%

300

Add. -5+16

11

400

How many quadrants are in a coordinate plane

4

500

Solve for x: x-10=26

36