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100

Find the sum 

(-6)+(+18)

12

100

Adding Integers:   A football team loses 5 yards on one play and then loses 8 yards on the next play.  How many yards did they lose on the two plays?

They lost 13 yards

-13

100

3 - (-9) =

12

100

+3 and -3 are called....

opposites 

100

What is the rule for adding integers with the same sign?

a) The answer is always positive

b) Add the opposite

c) Add and keep the sign

c

100

10 - ? = -8

+18

200

-14 + -8 =

=-22

200

Adding Integers: You park in a garage 3 floors below ground level.  Then you get in the elevator and go up 12 floors.  What floor do you get off the elevator?

9th floor

200

-19 - ( 15) =

-34

200

? - (-6) = +10 

4

200

(-3) - (-9)

+6

200

Fill in the blank with < , > or =

-8 _ -6 

-8 < -6 

300

-40 + (25) =

-15

300

Adding Integers: Stephanie has $152 in the bank. she withdraws $20 then deposits $84 in an addition expression to represent this situation find the sum.

216

300

? + (-6) = 4

10

300

When you find a sum you are ________.

When you find the difference you are _____________.

Adding

Subtracting

300

When adding integers with different signs you...

a) Subtract the absolute value and keep the sign of the smaller number

b) Subtract the absolute value and keep the sign of the higher number

c)Subtract the absolute value then add

b

300

8 - ? = 12 

-4

400

-5 + (4) - 7

-8

400

Subtracting Integers:  You are 5 dollars in debt. You borrow 12 dollars more. What is the total amount of your debt?

You owe 17 dollars

(-17)

400

-14 - (14) =

-28

400

What is an Integer?

A whole number that can be negative or positive

400

Subtracting a negative integer is like...

a) adding a positive integer

b) adding a negative integer

c)subtracting a positive one

a

400

X + (-5) = 20 

+25

500

(-8)+(-12) - 5 -2

-27

500

Subtracting Integers: An airplane takes off and then climbs 2500 feet. After 20 minutes, the airplane descends 150 feet.  What is the airplane's current height?

2350 ft.

500

-32 - (-14) =

-18

500

Arrange the number from smallest to largest:

-3, -4, -1, -23 

-23, -4, -3, -1 

500

-22 + 24 -6

-4

500

Put in order from least to greatest


-2, 10, -4, 3

-4, -2, 3, 10