Subtract Integers
-12 - 2 =
-14
Bobby borrowed $25 from his brother. He asked to borrow another $50. How much does Bobby owe his brother?
-75
Owes him $75
What day of the week is the last day of school?
Wednesday
-10 + (-10)=
-20
When the signs are the same, what operation do you do?
add
40
The submarine is 400 ft below sea level. It descends another 250 ft. How many feet below sea level is the submarine?
-650 ft
Two opposite numbers added together will always equal what?
0
-29 + 5=
-24
True or False
A negative number added to a positive number is ALWAYS negative.False
-37 - (-24) =
-13
The scuba diver was 340 meters below sea level. She continued to dive an additional 225 meters. What is her new position in the water?
-565 meters
or
565 meters below sea level
Ms. Z's dogs are names after what sports team?
The Greenbay Packers
-15 + (-13) =
-28
When the signs are different, what operation do you do to solve?
Subtract
72 - (-31)=
103
Taylor borrowed $125 from her sister. She babysat over the weekend and paid her sister back $50. How much does she owe her sister now?
Owes her $75
Or
$-75
What middle school did Ms. Z attend?
AMSO
36 + (-21)=
When subtracting integers, what are the three steps?
1. Keep the first number the same.
2. Change subtraction to addition.
3. Change the second number to its opposite.
-45 - 28 =
-73
The hiker was at an elevation of 975 ft. He began to descend on the trail. He descended 350 ft. What is the hiker's elevation after his descent?
625 ft
What are you excited or nervous about for next school year?
answers vary
-52 + 27 =
-25
Fill in the blanks.
Subtracting integers in the same thing as__________ _____ ______________.
Adding the opposite