Subtracting Integers
Subtract the integers
7 - 10
What is -3?
Add the integers
6+(-4)
2
Multiply the integers
-3 x 2
-6
Divide the integers
-15 ÷ 3
-5
What is absolute value?
The distance from zero on a number line. Absolute value is NEVER negative.
Mrs. Cowen had $500. She bought a TV for $300. She went to buy a computer for $275, but her card was denied. How much money does Mrs. Cowen need to add to her account in order to afford the computer?
$75
Subtract the integers
-5 - 7
What is -12?
Add the integers
-3+2
-1
Multiply the integers
3 x -6
-18
Divide the integers
-28 ÷ 7
-4
What is the |6|=
6
How cold will it get if it is 3 degrees F outside and the temperature drops 10 degrees?
-7 degrees
Subtract the integers
6- (-4)
What is 10?
Add the integers
-5+ (-6)
-11
-7 x -7
49
Divide the integers
-48 ÷ -6
8
What is the |-2|?
2
Suppose your elevator is on the 25 floor. It goes down 8 floors and then up 15 floors. What floor is the elevator on now?
32nd floor
Subtract the integers
-9 - 4 - 1 - (-2)
What is -12?
Add the integers
-12 + (-4) + (-3)
-19
-7 x -6
42
Divide the integers
-84 ÷ -7
12
What is the -|-5|=
-5
"Read the opposite of the absolute value of -5
Suppose the temperature is dropping 3 degrees every hour. If the temperature at 8am is 55 degrees, what will the temperature be at 12pm?
43 degrees
Subtract the integers
-4 - (-6) - 2
What is 0?
Add the integers
-20 + 3
-17
Multiply the integers
-2 x -2 x -7
-28
Divide the integers
-56 ÷ 7
-8
Evaluate this expression
|-4| + |20| -14
10
A submarine begins its descent from the surface of the water. It dives 10 meters each minute for several minutes. How long did the dive take if the submarine reaches 250 meters below sea level?
25 minutes