Statistics & Probability
The list below shows the age of each family member of the Clay family. What is the RANGE of their ages?
3, 5, 9, 13, 37, 40
37
Range is your biggest number minus your smallest number
Which numbers from the set ( -12, -8, 12) make the following statement true?
_ > 8
12
A triangle has a base of 12 cm and a height of 8 cm. What is the area of the triangle in square centimeters?
48 cm2
What is the value of the following expression?
20 - 42
4
Cassie can skateboard 3 miles in 15 minutes. How long would it take her to skateboard 5 miles?
3 x 5 = 15 so 5 x 5 = 25
Brian answered the following four questions. Which question has a variety of answers and shows variability?
A) How many feet are there in a yard?
B) What is the height of each student in your class?
C) How many days are in January?
D) How long did it take Mrs. H-U to drive to school this morning?
B) What is the height of each student in your class?
Miranda weighed the items that she packed in her bag for her trip. Her clothes weighed 17.67 pounds, her shoes weighed 12.3 pounds, and the empty bag weighed 5 pounds. What was the total weight, in pounds, of the packed bag?
34.97 pounds
A rectangle has a length of 8 cm and a width of 9 cm. Then, a 5 cm2 piece gets cut off. What is the final area of the rectangle once the piece is removed?
72 cm2 - 5 cm2 = 67 cm2
Evaluate the following expression.
32 + 6 x (5-2)
(the x is NOT a variable in this, it means multiply)
27
When Chris walks, he takes about 2,000 steps per mile. What is the amount of steps he would take in 30 minutes if he goes 1 1/2 miles?
3,000
RATIOS!!! He goes 2000 steps in a mile, so add half of that for a mile and a half. 2000 + 1000 = 3000
Emma went jogging for three weeks. Week 1 she jogged 30 minutes, Week 2 she jogged for 60 minutes, Week 3 she jogged for 120 minutes. What statement is true about her jogging?
A) Each week, Emma jogged 60 more minutes than the previous week.
B) Emma jogged more in Week 1 and 2 combined than in week 3.
C) Each week, Emma jogged twice as much as the previous week.
C
A company sold 19,824 t-shirts in a 12 month period. What is the average number of t-shirts they sold each month?
1,652
Ms. Hayden is mailing a box that is 1/2 foot wide, 5/8 foot long, and 3/4 foot tall. What is the volume of the box in cubic feet?
A) 15/64
B) 9/14
C) 1 7/8
D) 15
15/64 cubic feet
Coach Watson will bring 15 tennis balls per player to tennis practice. Which equation represents the relationship between the number of players, p, and the number of tennis balls, t, Coach Watson will bring to practice?
A) t = 15p
B) t = 15 + p
C) p = 15t
D) p = 15 + t
A) t = 15p
A race has 180 runners and 225 walkers sign up. What is the ratio of runners to walker?
A) 4:5
B) 4:9
C) 5:4
D) 5:9
A) 4:5
180/4 = 25
225/5 = 25
Find the mean of the following data set:
2, 3, 1, 4, 5, 2, 3, 4, 3
3
Michayla will place 24 yellow flowers and 32 white flowers in vases. Each vase will have the same number of yellow flowers, and each vase will have the same number of white flowers. What is the maximum number of vases Michayla can use?
A) 2
B) 4
C) 6
D) 8
D) 8
The biggest number that 24 and 32 can both be divided by is 8
What would a net of a square pyramid look like?
Hint: a net is an unfolded 3D shape
It would be four triangles with a square in the middle connecting them.
Tim and his family are going to the science museum downtown. A parking pass will cost $10. Each ticket to the science museum will cost $40. Tim's family will buy 1 parking pass and t tickets. Which equation represents the total cost of parking and tickets?
A) 10 + 40t
B) 40 + 10t
C) 40t
D) 50t
A
A fruit stand sells 5-pound bags of oranges for $3.00 each. There are 15 oranges in each bag. What is the price per orange?
$0.20
8, 14, 14, 15, 16, 19, 21, 22, 24
Mean: 17
Median: 16
Mode: 14
Rachel made 15 1/2 cups of applesauce. One serving of her applesauce if 1/2 a cup. What is the total number of servings Rachel made?
31
A canister for storing flour is in the shape of a right rectangular prism with dimensions of 8 inches by 6 inches by 8.5 inches. A cup of flour measures 14.4 cubic inches. Which value is closest to the number of cups of flour the canister can hold?
A) 37
B) 28
Hint: find the volume and then divide by the size of the flour to see how many can fit
B) 28
The formula to convert from Fahrenheit (F) to Celsius (C) is C = 5/9 (F - 32). A meteorologist said that the high temperature today is 68 degrees Fahrenheit. What degrees is this in Celsius?
Hint: type it in on a calculator...
20 degrees celsius
Samuel is buying a bicycle with a price of $60. The sales tax is 8% of the price. What is the total price of the bike INCLUDING sales tax?
Hint: find 8% of 60 and then add it to the price