Patterns, Relationships, & Algebraic Thinking
Probability & Statistics
Geometry
8th Grade Numbers and Operations
Linear Functions
100
Mr. Hines paid $8.40 for an international phone call. He paid a fee of $1.25 plus $0.55 per minute. This is an equation can be used to find x, the length of the call in minutes?
What is 0.55x + 1.25 = 8.40
100
A school committee conducted a survey to find out whether teachers would prefer to start the school day 30 minutes later. Only teachers with children in preschool were surveyed. This is the reason why the results of this survey might NOT be a valid representation of what all the teachers at the school would prefer?
What is "The survey was not conducted using a random sample of teachers."
100
The information that must be provided in order for a mathematician to perform a rotation of an object.
What is degree of rotation, direction, and center of rotation.
100
Convert to Scientific Notation: 26,870
What is 2.687 x 104
100
This is the slope given between the points: (2,4) and (5,7).
What is 3/3 or 1.
200
Caroline used the following formula (t = 0.0825p) to determine t, the sales tax on p, the dollar amount of a customer’s total purchase at the candle shop where Caroline works. A customer bought a box of red candles for $15 and 2 scented candles for $20 each. This is the sales tax on the customer’s purchase (rounded to the nearest cent)?
What is $4.54
200
Which scatter plot does NOT show an appropriate line of best fit? 
What is C
200
The transformation(s) that DO NOT maintain congruence of shapes. In other words, non-rigid transformations.
What are dilations.
200
Solve for x in
5(2x-7)=65
What is 10
200
The rate of this linear relationship: 
What is 6?
300
Ashley's mother bought some bottles of juice for her family. The juice was on sale for 3 bottles for $4.50. This is how much Ashley's mother spent for 8 bottles of juice?
What is $12
300
During the past winter, the Bender family had monthly heating bills of $79, $146, $212, $149, and $212. This is the mean, median, mode, and range of their bills.
What are: Range: $133, Mode: $212, Median: $149, Mean: $159.60
300
The area of square ABCD is 400 square centimeters. This is the area of a square that has a side length that is one-half of the side length of square ABCD. Include units in your answer.
What is 100 cm2
300
WITHOUT THE USE OF A CALCULATOR - this is the approximate value of:
sqrt78
What is 8.8
300
The slope of equation A is ___ times the slope of equation B...
Equation A: y = 3x + 9
Equation B: y = 5x - 2
What is 3/5 or 0.6 times.
400
This is an equation that matches the following statement. Six less than four times a number is two more than three times that number.
What is 4n - 6 = 3n + 2
400
A random survey of 75 eighth graders at Cedar Middle School showed that 37 of them do volunteer work. This is the approximate number of students who do volunteer work out of the 500 eighth graders at the school.
What is 247.
400
Matt's father has a computer desk in his study. The desktop is 60 inches long and 24 inches wide. Matt's father wants to build a proportionately smaller replica of his desk for Matt to use in his bedroom. If the length of Matt's desktop will be 45 inches, then this will be the perimeter? Include units in your answer.
What is 126 in.
400
Represent the following ratio as a percentage:
3/11
What is 27.27%
400
The solution to this system of linear equations:
y=3/4x+2
y=-1/4x+6
What is (4, 5)
500
This is the INEQUALITY in standard form that represents the following situation:
Ms. Smogor is selling chips and drinks to upgrade the bus for the 8th grade DC trip. She charges $1 per bag of chips, c and $3 per bottle of gatorade, g and needs at least $1500 to earn enough profit for the bus.
What is
1c + 3g >=1000
500
What percentage of people who get their news via the newspaper are 60 years old or older?
What is 53%
500
What is the volume of this 3D shape?
What is 690 cubic centimeters
500
Simplify the following expression:
What is a2b5
500
This is the y-intercept of the linear relationship that has a slope of 0.5 and contains the point (-3, 6).
What is 7.5