What happens when a negative is added to a positive
They cancel out.
100
(-1000) + (+345)=
-655
100
Which of the following is equal to 37 - 49?
a. 49 - 37
b. (-37) + 49
c 37 + (-49)
d. 37 - (-49)
C. 37 + (-49)
100
On January 1, Rose's Bank Balance was $200. During the month, she wrote checks for $115.25 and $350.00 and made one deposit of $150.50. Which best represents her checking account balance at the end of the month?
A. -114.75 B. -114.25 C. 114.25 D. 115.50
A. -114.75
100
Complete the number sentences below
Positive + Postive =
Negative x Negative =
Positive - Negative =
_____ divided Positive = Negative
Positive
Positive
Positive
Negative
200
A positive + a larger number negative = what?
Negative
200
(-78) - (-124)
+46
200
Marissa simplified the expression shown below as follows
10 - 25 - 6 + (-2)
Step 1 -15 - 6 + (-2)
Step 2 -9 + (-2)
Step 3 -11
Where did she make her mistake?
She made her mistake in step 2. It should be -15 - 6 = -21
200
A helium atom has 2 electrons, each of which has a -1 charge. Each proton has +1 charge. Overall, the helium atom has no charge. How many protons must the atom have?
A. -2 B. 0 C. 2 D. 3
C. 2
200
Write an Example of a zero pair
(-) + (+)
300
A negative + a negative =
Negative
300
(-68)/(-17)
+4
300
Which of the following is a way to find the value of -4 + (-6)
A. Find the absolute value of the same of 4 and 6
B. Subtract 4 from 6 and find the absolute value of the difference.
C. Find -4 on a number line and then move 6 units to the right.
D. Find -4 on a number line and then move 6 units to the left.
D. Find -4 on a number line and then move 6 units to the left.
300
A Carry dives 12 meters per sec. In 17 seconds how much distance did she travel?
12 x 17 =204 meters
300
What does absolute value tell us on a number line?
The distance between two points.
400
What are the steps for subtracting integers?
We must perform keep change opposite. Keep the first integer change subtraction to addition and change the sign of the second number.
400
10 - 25 - 6 + (-2)
-23
400
True or False
When diving integers, if the signs of the divisor and dividend are different, the quotient will be positive.
False
400
Joey made a homemade pizza and divided it into 24 squares. If joey has 3 friends and his mom wanted him to save 4 squares how much pizza does joey and his friends get get?
5 squares
400
The signs of factors being multiplied are shown below. Which of the following would result in a product that is a positive number?
A. (+) x (+) x (-)
b. (-) x (+) x (-)
c. (-) x (-) x (-)
d. (+) x (+) x (-)
b. (-) x (+) x (-)
500
What are the rules for dividing and multiplying integers?
Write an expression.
At his lemonade stand, he sold 23 cups of lemonade for 50cent each and 17 cookies for 50cent each. What were Ayden's profit that day?
23 x (.50) + 17 x (.50) =25.5
500
On Monday Paul recorded his temperature at 99 degrees. For the next two days Paul's temperature increased 2 degrees each day. However, on Thursday Paul's temperature dropped 7 degrees. What was Paul's temperature?
96 degrees
500
Order these rational numbers from least to greatest
-5, 2, -15, 0, 8, -9.8, 0.5, (4/5)