Numbers & Operations
How is 24/27 written as a decimal? Round to the hundredths place.
.88
12y – 4y
8y
Melanie rode her bike for 6/8 mile in ¼ hour. Find the unit rate.
3
Grace tossed a coin and rolled a number cube numbered 1-6.
What is the probability of tossing heads on the coin?
1/2
If the radius of a circle is 15 ft, what is its diameter?
30ft
-49 – (-49) =
0
3h – 10h + 6h
-1h
1. Which pair of ratios does NOT demonstrate a proportional relationship?
A. 8/12 and 6/9
B. 9/24 and 6/16
C. 12/15 and 15/20
D. 27/36 and 6/8
C. 12/15 and 15/20
Grace tossed a coin and rolled a number cube numbered 1-6.
What is the probability of rolling an odd number on the number cube?
3/6 = 1/2
Which of the following quadrilaterals has exactly one pair of parallel sides?
A. parallelogram
B. rectangle
C. trapezoid
D. square
C. trapezoid
A submarine is at a depth of 400 meters below sea level. The submarine then rises by 185 meters. What is the depth of the submarine now?
A. 215 meters above sea level B. 585 meters below sea level
C. 215 meters below sea level D. 585 meters above sea level
C. 215 meters below sea level
Which mathematical inequality represents the following sentence?
“Five more than one-third of a number is less than negative four”
D. 1/3x + 5 < -4
Cara hiked 14 miles in 4 hours. Leslie hiked 21 miles in 6 hours. Do these rates demonstrate a proportional relationship? Explain
Yes, when you reduce both ratios, they are the same.
Nick is trying to determine the favorite food of students in his school. Which sample below would be a random sample?
A. all of Nick’s friends
B. every third student entering the school in the morning
C. the students who are on the bus with Nick
D. the students in Nick’s math class
B. every third student entering the school in the morning
A circular plate has a radius of 11 cm. What is the area of the plate rounded to the nearest whole number? Use 3.14 for π
379.94
Which statement below is ALWAYS true?
A. The product of a number and zero is equal to that number.
B. The product of two negative numbers is negative.
C. The product of a positive number and a negative number is positive.
D. The product of two positive numbers is positive.
D. The product of two positive numbers is positive.
Use the variable n to represent the unknown number and write the correct equation or inequality.
Six less than twice a number is equal to ninety.
2x - 6 =90
The regular price of a sweater is $32. For a sale, the price of the sweater is marked down 30%. What is the sale price of the sweater?
$22.40
A bowl contains 6 red candies, 8 orange candies, and 10 yellow candies. What is the probability that a candy chosen at random will be yellow?
A. 3/10
B. 3/8
C. 5/12
D. 5/7
C. 5/12
A round table has a diameter of 35 inches. What is the approximate circumference of the table? Use 3.14 for π.
Circumference =
C= 109.90
James worked for 16 hours last week and was paid $157. How much did James earn per hour to the nearest cent?
$9.81
Matthew had $4.10 in his pocket. He bought 3 notebooks. Now he has $0.35 in his pocket. Which equation below can be used to find how much each notebook, n, costs?
A. 4.10 – 3n = 0.35
B. 3n – 0.35 = 4.10
C. 4.10 + 0.35 = 3n
D. 3n + 4.10 = 0.35
A. 4.10 – 3n = 0.35
1. What is the missing value in the following proportion? n = _______
8/40 = 12/n
n=60
The golf scores of the members of a golf team for 18 holes were 89, 90, 87, 95, 86, 102, 79, and 108. What is the mean, median, range, and mode?
Mean= 92
Median= 89.5
Mode= none
Range= 29
Alana keeps her sweaters in a storage box under her bed. The box is 30 in. long, 18 in. wide, and 7 in. high. What is the volume of the storage box?
Volume =
V = 3,780in