What is probability?
What is the value of the following expression?
(6)(- 8)
-48
What is a ratio?
A ratio is a comparison of two things.
Ex: the number of girls in a classroom to the number of boys in a classroom.
What does the circumference of a circle represent?
Perimeter of the circle.
What is the definition of median?
Middle number
What are the three ways to show probability mathematically?
What is the value of the following expression?
7 - 10
-3
Catherine's cell phone plan costs $32 per month. How much would Catherine pay for 5 months?
$160
The diameter of a circle is 9 centimeters. What is the radius of the circle?
4.5 inches.
What percent does a circle graph represent?
100%
What is the probability of rolling a number cube (dice) and landing on a 3?
1/6
What is the value of the following expression?
12 - (10 - 2)
4
A boat travels 27 miles in 2 hours. How many miles does the boat travel in 1/2 hour?
6.75 miles
An architect built a scale model of a building in which 2 inches represents 30 feet. The height of the building is 180 feet. What is the height of the scale model in inches?
12 inches.
How is the interquartile range determined from a box plot?
Subtract the lower quartile (Q1) from the upper quartile (Q3).
Interquartile Range = Q3 - Q1
A spinner is split into 4 equal sections: Red, Green, Blue, and Yellow. What is the probability of NOT landing on green?
What is the value of the following expression?
0.25(-3)
-0.75
What is the value of x in the following equation?
4x - 12 = 18
x = 7.5
What does the 1/3 mean in the Volume of Pyramid formula shown below?
V = 1/3 Bh
Divide by 3
How is the range determined from a dot plot and box plot?
Subtract the minimum from the maximum.
Maximum (largest) - Minimum (smallest)
Dan rolls a number cube (dice). What is the probability Dan rolls a number less than 3?
1/3 or 0.3333 or 33.333%
What is the value of the following expression?
14 + (-5)
9
Marina pays $11.25 for 2.5 pounds of pecans. What is the constant of proportionality of cost for one pound of pecans?
$4.50 per pound of pecans.
The area of a circle is determined using A =πr2.
The radius of a circle is 5 meters, what is the value of r2 ?
25 meters2
Describe the three types of Data distributions:
Symmetrical
Skewed Left
Skewed Right
Symmetrical: Same on both sides
Skewed Left: Left side is longer
Skewed Right: Right side is longer
If you have questions, visit: http://algebra1.thinkport.org/mod9/glossary.html