Vocabulary
Numbers that are greater than 0.
-17 + 20 =
3
4 X 8
32
Which is an example of a sample:
a. Surveying 1 randomly chosen student from each homeroom.
b. Surveying only students entering the 6th grade hall
c. Surveying only males
d. Surveying all students in 1 class.
a. Surveying 1 randomly chosen student from each homeroom.
This shape is the cross section of a cylinder if it is cut perpendicular to the base.
rectangle
A whole number. A number that is not a fraction.
Integer
9 - (-6) =
15
-50 / 2
-25
If you spin a color wheel with 10 colors on it and roll a die with 6 numbers on it, this is how many possible combinations there are.
60
A triangular prism has this many faces.
5
What the shape is called that is made when a solid is cut through by a plane.
Cross section
28 + 19
47
3 x (-7)
-21
Given the following math scores, what is the mean?
95, 88, 92, 75, 80
86
This is the formula for the area of a rectangle
l x w
Part of a population that represents the population.
Sample
79 + (-14)
65
18 / 9
2
Given the following math scores, what is the median?
95, 88, 92, 75, 80
88
True or False: A sphere can have a rectangle cross section.
False
The average of a set of numbers
Mean
-16 - (-4)
-12
-7 x -4
28
Given the following math scores, what is the mode?
95, 88, 92, 75, 80
No mode
3.14