Integer Definitons
Demonstrate using a number line on the whiteboard while solving the following integer problem: -5 + 4 =
What is -1?
Evaluate: - 28 + -14
What is -42?
The spy comes in through the 4th story window! She moves quietly down 6 floors before doubling back and going up 17 levels. Where did she end up?
15th floor!!!
The temperature started at 15 degrees, the next day it rose 2 degrees and on the third day it dropped 20 degrees. What is the temperature now?
What is -3 degees?
George has $135 in his bank account. What is his balance after writing a check for $35, depositing $120 and withdrawing $80?
$140
A scuba diver is 25 feet below sea level and descends another 5 feet and then ascends 22 feet. Where is the scuba diver compared to sea level?
8 feet below
Simplify: - 15 + 45
What is 30?
In through the lobby (what a brave spy)- he went up 13 floors before shooting down the laundry shoot 3 floors and again 5 more floors straight down. What floor does she end up on?
5th floor!!!
I earned a $10 allowance but I owe my brother $5. Write an ADDITION expression that represents this situation.
What is 10 + -5?
Sally has $35 in checking account. She wrote a check for $55. How much money is in her account?
-$20
Evaluate: (-12)(-4)
What is 48?
Solve: 12 - ( - 10)
What is 22?
Blinky the spy dug has way into the -4th floor of the spy tower. He knocked out two guards and snuck up 20 floors before going up 2 more. He then descends on an elevator 10 floors. What floor is he on?
8 floor
A diver descends 50 feet and then ascends 20 feet. What integer represents the diver's location in respect to the top of the ocean?
What is -30?
What does withdraw mean to do?
take money out or subtract
A climber descended 600 feet at 5 equal stages. What integer represents each stage?
What is -120?
Evaluate: - 15 + 10 + -17
What is -22?
Blue spy came in the 20th floor by a zipline. He went up 4 floors before using a food chart and going down 15 floors. We lost him at this point but we caught up with him as he was descending 10 floors. What floor is he on?
-1 levels
A fish can be seen 5 feet below the ocean top. There is a child flying a kite that is 30 feet above the ocean. What is the difference between the two?
What is 35 feet?
In a checking account the is a balance of $125. How much is in the account after writing a check for $65, depositing $40 and withdrawing $60.
$40
My friend plays golf and on the first 3 holes of his game he scored -2, 1, and -2. What is his average score for his first 3 holes?
What is -1?
Simplify: -18 - 12 + - 15
What is -45?
Diamond Spy used a hang glider and slide in a 7th floor window. He knocked the guard out and slipped out the window dropping 6 floors. We lost track of him at this point. He then took an elevator down 11 floors before ascending up four levels. What level is she on?
-6 floors
A tip of a mountain is 1,580 feet above sea level. The bottom of the ocean is 600 feet below sea level. What is the difference between the top of the mountain and the bottom of the ocean?
What is 2,180 feet?
Raul has $65 in his savings account. He took out $30 each day for two days. How much money is in his account?
5