Vocabulary
The set of whole numbers and their opposites
What is an Integer?
-57 + 57
What is 0?
4 - 6
What is -2 ?
-7 x -3
What is 21 ?
-10 / -1
What is 10?
Any number that can be written as a fraction.
What is a rational number?
-5 + -7
What is -12?
-3 - (-9)
What is 6 ?
6 x -13
What is -78 ?
-56 / 7
What is -8?
The distance a number is from zero on a number line.
What is absolute value?
-66 + 40
What is -26?
41 - 275
What is -234 ?
5 x -9 x -1
What is 45?
What is 12.5 ?
Numbers that cannot be expressed in the form a/b, where a and b are integers and b=0.
What are irrational numbers?
A diver dives 70 feet from the surface. She then dives 13 more feet. What is the diver's present location?
What is -83 feet?
The floor of an elevator in a building is 30 feet above ground level. It travels down to the lower level of the building, where the floor is 10 feet below ground level. What distance has the elevator's floor traveled?
What is 40 feet?
-0.2 x (-0.63)
What is 0.126 ?
(3 2/3) / (-2/3)
What is -5 1/2 ?
Changing the sign of the number and adding it to the original number to get an answer equal to 0.
A scuba diving instructor takes a group of students to a depth of 52.49 feet. Then they ascend 21.05 feet to see some fish. Where are the fish in relation to the surface?
What is -31.44 ?
The temperature in the late afternoon was -7.5 degrees C. It dropped 5 degrees by early evening and then dropped another 8.5 degrees by midnight. What was the temperature at midnight?
What is -21 ?
A farmer sells an average of 14 1/2 bushels of corn each day. What integer represents the change in bushels of corn in his inventory after 6 days?
What is -87 ?
A company loses $780 as a result of a shipping delay. The 6 owners of the company must share the loss equally. What was the change in profit for each owner?
What is -130?