What is the rule for adding the following expression:
45 + (-10)
Different signs subtract, keep sign of the bigger number.
Adding a negative is the same as subtracting.
9 - (-8)
17
(4)(-10)
-40
What is the decimal version of 3/4
0.75
From 6pm to 6am the temperature dropped 1.4 degrees each hour. What was the total change in temperature between 6pm and 6 am?
16.8 degrees
-15/-3
5
If you see a fraction during the quiz, what do you do with the two numbers?
divide the two numbers
Kiera and Alfonso are climbing a wall. Kiera is 17.7 feet above the ground. Alfonso 30.7 feet below in the water. Determine the distance between Kiera and Alfonso.
48.4 feet
(-10)(5)(-2)
100
-2.3 + -19
-21.3
John and Kamira are playing a game together. John's score (J) and Kamira's score (K) after round one are shown on the number line.
The score John and Kamira record after round one is 2. What could this score represent?
The sum of the scores because -5+7 is 2.
Will the product be negative or positive? Explain.
(-2)(3)(4)(-8)(-15)(0)
The answer will be negative because there are an odd number of negatives. Every 2 negative cancel out.
-15.3(23)รท5/3
-211.14 or 10557/50
Determine if the situation would result in a positive number, negative number, or zero.
At recess the temperature is 13 1/2 degrees Fahrenheit. The temperature dropped 19 1/4 degrees Fahrenheit.
It will be negative.
-11 + 17 + 11 + (- 20)
-3
Gracie's bank account balance is $200. She made 3 withdrawals of $50 each. She also made a purchase of $45. Then, she deposited her paycheck of $315. What is her new balance?
$320
James spent $80 in total the last 5 days. If he spent the same amount each day, how much did he spend per day?
Spent $16 per day
If you divide two integers that are both negative, the answer is ___________.
positive
A roller coaster takes fans on an exciting ride. In the first 30 seconds, it carries its passenger up a 41 meter hill, plunges them down 41 meters, and takes them back up a 11 meter rise. How much higher or lower from the start are the riders after the 30 seconds?
The riders are 30 meters lower than where they started or -30 meters from start.