Variables and Numbers
Graphs/Measurements
Ratio and Scale
Probability
Mean, Median, & Mode
100
-23+11
-12
100
What is the symbol for slope?
m
100
What is a ratio (state two attributes that are looked at)?
A relationship between two objects in quantity, size, or amount.
100
What is probability?
The chance that a given event will occur.
100
What is mean and how do you find it?
The average of a given data set. You add all the numbers and divide that sum by the number of numbers.
200
1/2 + 1/4 + 1/8
7/8
200
How many inches are in 20 feet?
240 inches
200
Which of the following is not a correct notation for ratio: a) 1:2 b) 1 to 2 c) 1,2 d) 1/2
c
200
What is the probability of getting a red queen in a deck of 52 cards?
2:52 = 1:26
200
What is median and what is mode?
Median is the middle number in an order data set. Mode is the most frequent number in a data set.
300
2x + 10 = 26
8
300
What is the y-intercept in y-2=8(x-4).
-30
300
Why would an architect use a scale?
To create complete building designs that have accurate proportions and are small enough to fit on paper.
300
What is the probability of getting a king in a deck of 52 cards?
4:52 = 1:13
300
Find the mean of 1, 12, 13, 14, 15, 16, and 17.
12.6
400
3x - 12 = -15
x=-1
400
What is the circumference of a circle if the radius is 10?
Circumference = Pi X d = 3.14 X 20 = 64.8
400
What is the ratio of the sides of a rectangle that measures 2" in length and 6" in height?
1:3
400
What is the probability of getting a 3 or a 4 in in a deck of 52 cards?
8:52 = 2:13
400
What is the median of 1, 8, 3, 7, 5, 5, 9, 10, 2.
5
500
If y=4 what does x equal 1/2x - 2y + 10 = 47?
x=90
500
What area is left in a square that has a side length of 4 when you cut out a circle with a diameter of 4?
area of square- area of circle= (4X4) - (3.14X2X2)= 16-12.56= 3.44
500
If you have a room that is 4"X5" and a scale of 1":3', what size is the room?
12'X15'
500
If the probability of drawing a red M&M is 20%, how many red M&Ms are in a jar of 400?
80
500
What kind of job uses probability regularly?
multiple!!
M
e
n
u