Numerical Representations and Relationships
Computations and Algebraic Relationships
Geometry and Measurement
Biased or Unbiased
Valid or Invalid
Data Analysis
100
A side of Ari’s aquarium is a square with an area of 190 square inches. The number of inches of each side of between these two whole numbers —
What is 13 and 14
100
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
100
What is the image of point (4,-2) after a dilation of 3/2? a.) (1 and 2/3,-1 and 1/3) , b.) (7, 1) , c.) (6, -3) , d.) (4/3, -2/3)
C) (6,-3)
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
During the past winter, the Bender family had monthly heating bills of $79, $146, $212, $149, and $212. This is the mean, meadian, mode, and range.
What are... Range: $133, Mode: $212 Median: $149 Mean: $159.60
200
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
200
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?
What is 126 in ?
200
A plastics company makes two sizes of recycling bins in the shape of rectangular prisms. The smaller bin has a volume of 500 cubic inches. The length, width, and height dimensions of the larger bin are twice those of the smaller bin. This is the volume of the larger recycling bin?
What is 4,000 in³
200
Biased or Unbiased and Why? You survey customers at a mall. You want to know which stores they shop at the most. You walk around a computer shop and choose 20 customers there for your survey.
Biased- Computer store shoppers will say the computer store.
200
Find the interquartile range for the data set: 12, 14, 11, 10, 9, 10, 9
What is the IQR = 3 - put the numbers in order from least to greatest - find the median - find the difference between the first quartile (9) and third quartile (12)
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.
What is 100cm² ?
300
A store’s records showed that during a one-month period, 3 gallons of milk were sold for every 2 boxes of cereal sold. If 2,864 boxes of cereal were sold that month, this is the number of gallons of milk that were sold?
What is 4,296 gal.
300
The roof of a house is in the shape of a square pyramid. The slant height of the pyramid is 17 feet, and the length of each side of the square is 30 feet. What is the lateral surface area of the pyramid in square feet?
1,020 sq ft
300
Biased or Unbiased and Why? A country radio station wants to know what the most popular type of music is, so they ask their listeners to call in to say their favorite type.
Biased- Only asking people who listen to country music leaves out other music lovers.
300
The number of points Maggie has scored in each of the first 5 games of the basketball season are 14, 17, 17, 13, and 34. What is the mean absolute deviation for the number of points for Maggie's first 5 games?
What is 6.
400
During one month, four trees at a nursery increased in height at the rates shown below. 8%, 1/12 , 16%, 1/20 Which list shows these rates in order from greatest to least? A) 1/20, 16%, 1/12, 8% B)16%, 1/12, 8%, 1/20 C) 1/20, 8%, 1/12, 16% D)16%, 8%, 1/12, 1/20
B)16%, 1/12, 8%, 1/20
400
State the x and y intercepts for... 13x + 7y = 25 Leave in fraction form!
x intercept = 25/13 y intercept = 25/7
400
The Texas Star, at Fair Park in Dallas, is the largest Ferris wheel in the western hemisphere. It has a diameter of 65 meters. This is the approximate distance traveled by a person who rides this wheel for two complete revolution.
What is 408 m?
400
Biased or Unbiased and Why? You want to know what 7th graders think of their science class. You poll 100 random 7th graders.
Unbiased- 100 people is a large group and they were randomly selected.
400
Draw the box-and-whisker plot for the following data set: 77, 79, 80, 86, 87, 87, 94, 99 How much is Q3? What is the Interquartile range?
Q3=94 Interquartile Range = 12.5
500
A proton has a mass of 1.67 × 10^-24 gram. This is 1,840 times greater than the mass of an electron. Which is the best approximation for the mass of an electron? A) 9.08 × 10^-28 g B) 9.08 × 10^-27 g C) 0.908 × 10^27 g D) 1.67 × 10^1,840 g
A) 9.08 ×10^-28 g You must work backwards.
500
State the x and y intercepts for... 2/3y - 5x = 20
x intercept = -4 y intercept = 30
500
A cylinder with a diameter of 14.9 meters has a volume of about 2,092 cubic meters. What is the approximate height of the cylinder? Use 3.14 for π.
12 m
500
Biased or Unbiased and Why? Would you prefer to take a long, difficult essay test or a quick, simple multiple choice test?
Biased- The adjectives describing each test make the essay sound worse than the multiple choice.
500
Given the five-number summary of the following data set: 79, 53, 82, 91, 87, 98, 80, 93 Find the Q1 and Q3 of the data. What percentage does Q3 represent of the data?
Q1=79.5 Q3 = 92 92 represents 75% of the data
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