Adding
Subtracting
Word Problems
Facts and Rules
100

Find the sum 

(-6)+(+18)

12

100

3 - (-9) =

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

What is the rule for subtracting integers?


Keep - Change - Change

200

-14 + -8 =

=-22

200

-19 - ( 15) =

-34

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

-3 and +3 are called what?

opposites

300

-40 + (25) =

-15

300

-4 + (-6) = 

-10

300

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.

300

When you add two negative integers the answer will always be?

Negative

400

104 + (-25)

79
400

-42 - 10

-52

400

You owe 5 dollars to your brother. You borrow 12 more dollars from him. What is the total amount you owe?

You owe 17 dollars

(-17)

400

When adding a positive and negative integer, how do you know if your answer is positive or negative?

Whatever sign the bigger number is

500

-34 + (-87)

-121

500

62 - 98

-36

500

Stephanie has $152 in the bank. she withdraws $20 then deposits $84. How much does she now have?

$216

500

When you find a sum you are ________.

When you find the difference you are _____________.

adding and subtracting, respectively