Add Me!
Wordy Probs
Donuts Are Delicious
It's a good day to math
Subtract Me!
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

If we subtract 0 from any integer, the answer will be the ______

same
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

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...

a) If there are more negatives than positives the answer will be positive 

b) If there are more positives than negatives the answer will be positive

c)If there are more negatives than positives the answer will be 0

b

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

500

(-58)+(-12) 

-70

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

BOOM! Challenge question:

Using only addition, add eight 8s to get the number 1,000.

888 + 88 + 8 + 8 + 8 = 1,000

500

-22 - 6

-28