Sum (+) of Integers
Find the sum
4+ (-16) =
-12
If you're running a relay race and each lap is out 100 feet (+100) and back 100 feet (-100). Where do you end the race relative to where you started?
0 feet
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
3 - (-9) =
6
What are opposites?
A negative number and its positive
-12 + 5 =
=-7
The temperature fell 35 degrees overnight. By 9:00 am it was back up 25 degrees and by 12:00 it was down another 10 degrees. What was the temperature at 12:00?
-20 degrees
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
-10 - 15 =
-25
What is absolute value?
The number away from zero
-3.8 + 6.1 =
2.3
IF you are standing in the middle (at 0) and someone walks 15 feet to your right and someone walks 15 feet to your left how far apart are the two people that walked away?
30 feet
Stephanie has $215.50 in the bank. She deposits 65.75 dollars into her account. She spends $101.35 on groceries. What is the total of her account after the changes?
$179.90
-2.75 + 8.25
5.5
When you find a sum you are ________.
When you find the difference you are _____________.
Adding
Subtracting
-5.658 + (-12.75)
-18.408
A whale is swimming 50 feet below the surface of the water. Its start to breach the water. At its peak, the whale reaches 35 feet above the water. What is the total distance between the whale's ascent?
85 feet
-14 2/10 or -14.2 ft.
15.4 - (-9.4)=
24.8
What does it mean to make a zero pair?
When you add one positive and one negative.
-4 1/4 + 7 3/4
3 1/2
Below are temperatures in the morning and during the day in different locations.
Spain: Morning: 15 degrees
Afternoon: 55 degrees
Sahara Desert: Morning: 10 degrees
Afternoon: 117 degrees
Charlotte: Morning: 35 degrees
Afternoon 63 degrees
Which location had the smallest change in temperature?
Charlotte
A submarine travels at an elevation of -75 1/4 ft relative to sea level. Then it changes it elevation by rising 16 3/8ft. What is the new elevation of the submarine?
-58 7/8 ft.
-5 1/2 - 9 1/4 + 2 3/4=
-12
subtracting a negative is the same as...
A) adding a positive
B) subtracting a positive
C) Adding a negative
A