2+4=?
6
11-9=
2
3+(-3)=
0
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?
-5+(-8)=
-13 yards
What operation should I do if I have two negative numbers? (Example: -5-5)
Add them together
DOUBLE POINTS:
-15+6=?
-9
3-10=
-7
-2-3=
-5
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?
-3+12=
9th floor
What operation should I perform if I have one negative and one positive number? (Example: -9+10)
Subtract them
7+(-6)=?
1
27-(-16)=
43
-13+(-82)=
-95
In Buffalo, New York, the temperature was -14oF in the morning. If the temperature dropped 7oF, what is the temperature now?
-14-7=
-21oF
Would my answer be positive or negative?
-17+4
Negative
-17+(-28)=?
-45
-17-(-24)=
7
20-(-8)=
28
A roller coaster begins at 90 feet above ground level. Then it descends 105 feet. Find the height of the coaster after the first descent.
90-105=
-15 feet
Would my answer be positive or negative?
15+(-15)
Neither, the answer would be 0
-20+7=?
-13
-23-(-6)=
-17
TRIPLE POINTS:
17-3-(-4)=
18
DOUBLE POINTS: An elevator went up 15 floors, down 9 floors, then up 6 floors. What floor is the elevator on?
15-9+6=
12th floor
A submarine was situated 800 feet below sea level. If it ascends 250 feet, what is its new position?
-800+250=
-550 feet