Classifying
What set does -49/7 belong to?
Integers
2 X -9/4 is?
-18/4 or -9/2 or -4 1/2
-6 / (-2)
3
8 + (-12)
-4
The temperature drops a half degree every hour. After six hours how many degrees has it changed?
-3
Are all rational numbers, natural numbers?
No/False
2/3 X -9/4 is?
-18/12 or -9/6 or -3/2 or -1 1/2
-2 X -6
12
-13 + 18
5
The amount of shore at a local beach changes an average of -3/4 foot each year. What is the change in the amount of shore after 7 years?
-21/4 feet or -5 1/4 feet
Are all whole numbers, integers?
Yes/True
-7.25 + 5.4
-1.85
12 / -4
-3
3/2 + 1/4
7/4 or 1 3/4
Dave has $358 in his bank account. He wants to prepay his cell phone bill for the next three months. His monthly cell phone bill is $78. He also needs to pay his electric bill, which is $135. How much money will Dave need to add to his account to cover all the bills?
$11
0, 1/4, 0.1, -5, and 7 are all rational numbers. Which of these numbers are also natural?
7
52.3 X 6
313.8
50 X 70
3,500
36.5 - 27
9.5
A helicopter is 19 meters above the top of a canyon wall. It goes down 27 meters, passing into the canyon, and then goes up 5 meters. Where is the helicopter in relation to the top of the canyon wall?
-3 meters or 3 meters below the canyon wall
Square root of 81 is classified into what specific set of numbers?
Natural
81.9 / -9
-9.1
36 / 9
4
- 7- (- 56)
49
A football team loses a total of 12 yards in 4 plays. On average, how many yards did the team move per play?
-3 yards