Adding
−6 + 18 = ?
12
3 − 9 = ?
−6
Fill in the blank:
10 − 18 = 10 + _____
(−18)
You owe 5 dollars to your brother. You borrow 12 more dollars from him. What is the total amount you owe?
You owe $17 or −$17
Fill in the blank:
Subtracting a positive number is the same as adding a _____________ number.
negative
−14 + (−8) = ?
−22
−9 − 15 = ?
−24
Fill in the blank:
−11 − 5 = −11 + _____
(−5)
A football team gains 7 yards on one play and then loses 12 yards on the next play. How many yards did they lose on the two plays?
They lost 5 yards, or -5
Fill in the blank:
When adding a negative integer on a number line you move to the ________.
left
−40 + 25 = ?
−15
-14 + (−16) = ?
−30
Fill in the blank and then solve:
15 − 22 = 15 + _____ = ?
15 + (−22) = −7
In a game show, Sarah has a score of 50 and Jack has a score of -40. How many points behind is Jack?
90 points
zero
107 + (−25) = ?
82
42 − (−10) = ?
52
Fill in the blank and then solve:
13 - (-12) = 13 + _____ = ?
13 + 12 = 25
You park in a garage 3 floors below ground level. Then you get in the elevator and go up to the 12th floor. How many floors did you go up?
You went up 15 floors
Subtracting a negative integer is the same as adding a _____________ integer.
positive
−42 + (−75) = ?
−117
−64 − (−87) = ?
23
Fill in the blank and then solve:
−21−(−34)=−21 + _____ = ?
−21 + 34 = 13
Stephanie has $152 in the bank. She withdraws $20 then deposits $84. How much does she now have?
$216
When you are subtracting a negative integer on a number line you move to the ________.
right