Adding Integers
8+-2 =
What is 5
Rewrite the subtraction expression as addition:
9 - - 4
9 + 4
2*11=
What is 22
25 divide -5
-5
What is the formula for a proportional equation?
y=kx
-17.5 + 2.5 =
-15
Rewrite the subtraction expression as addition:
12-(-19)
What is 12+19
The product of a negative and a positive number is......
(neg x pos = ?)
What is "negative"
-6 / -2
What is 3
Pick the proportional equation
1) y=5x
2) y=5x+2
1
-9+-20=
What is -29
Rewrite the subtraction expression as addition:
-7-4
-7 + -4
8 x -4 =
What is -32
-56/8
What is -7
How do you calculate C.O.P (also known as the k value)?
k=y/x
200 + - 4
196
Write as an addition problem: -7-10=
What is -7+(-10)
-15 x (-4)=
What is 60
-120/3
What is -40
Ms. Reni ate 10 grapes in 5 minutes.
a) is this a rate or a unit rate?
b) if it is not already a unit rate, what would her unit rate be?
2) 2 grapes per minute
How do you add integers when they have different signs? (say in words)
example : 4 + -2
What is "remember to subtract and keep the sign of the larger one"
Complete the statement: Subtraction is the same as ....
What is "addition of the opposite"
The product of two same signed integers is ...
(neg x neg = ? or pos x pos = ?)
What is "positive"
An aquarium drains at a rate of 4 liters per hour, how long will it take for 48 liters to be drained?
12 hours