Expressions & Equations
Write an expression that represents "64 less than the quotient of 20 and b?"
20/b - 64
8,008/56
143
Is the question below a statistical question?
How many rooms are in the white house?
no
Jason collected 9 postcards from Florida and 7 postcards from Alaska. What is the ratio of postcards from Alaska to postcards from Florida?
7:9
Find the area of a rectangle with a length of 5.4 in and height of 2.8 in.
15.12 square inches
Which value of w makes the inequality true? (5, 9, 10, or 14)
5 < 14 - w
5
30
Find the mean of the data set: 2, 7, 9, 10, 12
8
Find the unit rate: 72 players to 12 teams
6 players per team
What is the area of a triangle with a base of 15 m and height of 16 m?
120 square meters
write an equivalent expression for: p x p x p x p
p4
Find the greatest common factor of 16 and 28
4
Find the median of the data set: 2,1,2,3,2,1,3,3,6
2
How many pounds are equivalent to 112 ounces? (16oz=1lb)
7 pounds
What is the volume of a rectangular prism with a length of 2 1/4 ft, width of 1 1/2 ft, and height of 1 1/2 ft?
81/16 cubic feet or 5 1/16 cubic feet
Identify the coefficients in the expression:
2x2 + x - 3
2, 1
Zelda needs 1/4 cup of corn kernels to make 1 batch of popcorn. Zelda has 7/8 cup of corn kernels. How many batches of popcorn can Zelda make with 7/8 cup of corn kernels?
3 1/2 batches
Find the 5-number summary to make a box plot of the data set: 2,5,5,6,6,6,6,6,6,7,7,10
min=2, Q1=5.5, median=6, Q3=6.5, & max=10
Students washed 27 cars in 3 hours. At that rate, how many cars will students wash in 5 hours?
45
How many 1/8 inch cubes would it take to fill a rectangular prism with the following dimensions:
l= 1/4 in. w= 1/4 in. h= 5/8 in.
20 cubes
l = 2 cubes (1/4 = 2/8)
w = 2 cubes (1/4 = 2/8)
H = 5 cubes (5/8)
The length of a hockey rink is 115 feet greater than the width. The length of the hockey rink is 200 feet. Write and solve a one-variable equation to find the width of the hockey rink.
w + 115 = 200
w = 85
What are the coordinates of the reflected point when point (-4,3) is reflected across the x-axis?
(-4, -3)
A team's scores for 5 basketball games are 66, 63, 68, 60, and 68. Find the mean absolute deviation.
mean = 325/5=65
M.A.D. = 1 + 2 + 3 + 5 + 3 = 14
14/5 = 2.8
The results of a survey show that 102 students, or 85% of the students, in the survey chose a water park as their favorite summer activity. How many students were in the survey?
85% x s = 102
102/.85 = 120
Find the surface area of a cube with side lengths of 2.3 cm.
SA = 31.74 square centimeters
6(2.3 x 2.3) = 31.74