Adding
-3+(-2)
-5
(-13)-(5)
-22
(-28) ÷ (-7)
4
When you multiply or divide two negatives what is the result?
Positive
Convert the following to a division equation:
-8*-4=32
32÷ (-8)= -4 or 32÷ (-4)=-8
-20+10
-10
(-10)-(-10)
0
60
(150) ÷ (-50)
-3
When you multiply or divide a positive or negative what is the result?
Negative
Evaluate the following for a and b
a=-7 b=5
5b
25
27+ 53
90
8-(-12)
20
-40
(-45) ÷ (-5)
8
What do you do when you have the same signs when adding?
Keep the sign and add
Evaluate the following for a and b
a=-7 b=5
4a
-28
(-37)-23
-60
(-16)-10
-36
(-5)(3)(-4)
60
(-55) ÷ (11)
-5
What do you do when you have different signs while adding?
Keep the sign of the larger and subtract
Evaluate the following for a and b
a=-7 b=5
ab
-35
(-376)+ 278
-98
(-352) - (-273)
79
(-3)(-4)(-6)(2)
-144
(120) ÷ (-8)
-15
How do you identify when to use "Keep, Change, Change"?
There is a subtraction symbol next to a negative number
ex) 3-(-2)=5
An engineer was studying traffic patterns and set up a camera to record speed and direction of vehicles that passed by the camera.
If the velocity was 35 mi/hr and the camera was passed 10 seconds ago, what is the ending position?
(Velocity x Time = ending position)
350 mi/ hr