Integers
Edie is very interested in cryogenics (the science of very low temperatures). With the help of her science teacher she is doing an experiment on the affect of low temperatures on bacteria. She cools one sample of bacteria to a temperature of -51°C and another to -76°C. What was the temperature difference in the two experiments?
If it is -25F in Rantoul and it is 75F in Honolulu, what is the temperature difference between the two cities?
How can you represent a debt of $500?
$-500
A monkey sits on a limb that is 25 ft above the ground. He swings up 10 ft, climbs up 6 ft more then jumps down 13 ft. How far off the ground is the monkey now?
Start at negative 5, take away 4, subtract 3, and finally add 11. Where do you end up?
Which type of number would represent below sea level, sea level, and above sea level?
negative, 0, and positive
-4, 5, -5, 0, 4
You owe $225. on your credit card. You make a $55. payment and then purchase $87 worth of clothes at Lulu. What is the integer that represents the balance owed on the credit card?
Jed receives a cable television bill for $39. However, there is a late charge of $3.00. He receives a credit of $15.00 for vacation time when the cable was disconnected. How much was his bill?
A submarine dove 836 ft. It rose at a rate of 22 ft per minute. What was the depth of the submarine after 12 minutes?
In a game of tug-of-war, a team wins by pulling the flag over its goal line. The flag begins at 0. During a game, the flag moves 8 feet to the right, 12 feet to the left, and 13 feet back to the right. Did a team win? Explain.
Right side wins by 9 feet.