Worksheets8th Grade Math STAAR Review
Total questions: 34
Worksheet time: 2hrs 42mins
What is the mean absolute deviation of the following data?
$60, $75, $80, $55, $60
$9.20
$11.50
$46
$66
What is the mean absolute deviation of the data, to the nearest dollar?
$150
$125
$86
$43
Which best describes the trend shown in the scatterplot?
Linear Trend
Negative Trend
Mean Trend
Non-Linear Trend
Which of the following does the diagram below illustrate?
The sum of the areas of the two smaller squares is less than the area of the largest square.
The sum of the areas of the two smaller squares is greater than the area of the largest square.
The length of the longest side of the triangle equals the sum of the lengths of the sides.
The sum of the areas of the two smaller squares equals the area of the largest square.
The distance a spring stretches varies directly as the force applied. If a force of 140 newtons stretches a spring 4 cm, how much will the force of 350 newtons stretch the same string?
0.625 cm
1.6 cm
10 cm
122.5 cm
It takes Josh 3 minutes to solve 5 math problems. If this relationship represents a direct variation, how many math problems can Josh solve in 24 minutes?
72
40
15
8
How many 6-inch cookies qould equal the same area as a 12-inch cookie?
2
4
6
12
Jacob has already saved $850 for college. He expects the total cost of the first year to be $8,990, and he expects to recieve grants and scholarships that total $1,445. Jacob plans to save $210 every month. At this rate, for how many months will Jacob need to save until he has just enough money to pay for the net price of his first year of college?
31 months
32 months
36 months
46 months
Expression 1: 0.25x - 12
Expression 2: 18 - 0.55x
For which value of x will the two expressions have the same value?
-100
-20
7.5
37.5
One-third of Kaylees age increased by 12 is equal to twice her age decreased by 3. How old is Kaylee?
5
8
9
15
Which of these expressions is true when v = 4 ?
-3v = 12 + 6v
-3v = 12 - 6v
3v = 12 + 6v
3v = 12 - 6v
How do the returns for simple interest and compound interest compare for the same principal and interest rate?
The returns are the same for every year since the principal and rate are the same.
The returns are the same for the first year, but then the returns are greater for simple interest every year after.
The return for compund interest is higher than for simple interest for every year.
The returns are the same for the first year, but then the returns are greater for compound interest every year after.
Debra pans to invest $2,250 for 10 years. She can invest in a savings account that pays 4% simple interest or a savings account that pays 4% interest compounded annually. How much more money will she have at the end of 10 years if she chooses the account with compound interest?
$144.23
$180.55
$900.00
$1,080.55
Scott is planning to invest $750 in a savings account for 5 years. Account X pays 3% simple interest. Account Y pays 3% compounded annually. Which is a true statement about the accounts?
At the end of 5 years, Scott would have more money in Account X.
Account Y earns the same amount of interest every year.
Account X earns $22.50 in interest every year.
The total amount in Account Y is more than $900 at the end of 5 years.
Which rule represents a dilation of a figure by a scale factor of 5 that is centered at the origin?
(x,y) -> (1/5x, 1/5y)
(x,y) -> (5x, 5y)
(x,y) -> (x + 5, y + 5)
(x,y) -> (x - 5, y - 5)
Rectangles ABCD and A´B´C´D´ are shown on the coordinate plane. Which algebraic representation shows how the coordinates of rectangle A´B´C´D´ were found?
(1/2x, 1/2y) -> (x,y)
(x,y) -> (1/2x, 1/2y)
(2x, 2y) -> (x,y)
(x,y) -> (2x, 2y)
Triangles KLM and K´L´M´ are shown on the coordinate plane. Which algebraic representation shows how to find the coordinates K´L´M´ ?
(3/2x, 3/2y) -> (x,y)
(2/3x, 2/3y) -> (x,y)
(x,y) -> (3/2x, 3/2y)
(x,y) -> (2/3x, 2/3y)
A tank contains 340 liters of water then it begins to leak at a rate of 6 liters per minute into an empty container. Which equation shows the number of minutes, x, it will take for the tank and the container to have the same amount of water?
340 - 6x = 0 - 340
340 - 6x = 6x - 340
340 - 6x = 6x
340 - 6x = 1/2 x 340
Which proportion must be true if the trapezoids in the figure are similar?
12/y = 5/10
y/12 = x/8
8/x = y/12
x/8 = 2/4
Mya has an exercise ball in the shape of a sphere shown below. She wants to increase the weight of the ball by filling it with water.
Which measurement is closest to the volume of Mya's ball in cubic inches? Use 3.14 for Pi.
113 Cubic Inches
457 Cubic Inches
904 Cubic Inches
2,713 Cubic Inches
The cone-shaped paper cup is 2/3 full of sand. What is the volume of the part of the cone that is filled with sand. Use 3.14 for Pi
102.57 cm^3
153.86 cm^3
307.72 cm^3
461.58 cm^3
Which measurement is closest to the distance between the two points on the coordinate plane in units?
6 units
8 units
10 units
12 units
A triangular prism is shown on the diagram. Which measurement is closest to the lateral surface area of this prism in square meters?
252 Square Meters
264 Square Meters
294 Square Meters
336 Square Meters
Jamal wants to completely cover the cylindrical container in aluminum foil. Which measurement is closest to the total surface area of the cylindrical container in square centimeters? Use 3.14 for
2,512 Centimeters Square
6,280 Centimeters Square
7,536 Centimeters Square
8,792 Centimeters Square
A diagram of a jewelry box is shown. Which measurement is closest to the total surface area of the jewelry box that would need to be wrapped with wrapping paper in square centimeters?
146 Centimeters Square
292 Centimeters Square
336 Centimeters Square
672 Centimeters Square
The graph shows the number of people at an amusement park at different parks. If the trend continues, how many people will be there at the park in 2 hours?
1,000
1,300
1,800
2,000
A side view of a desk telephone is shown below. Which measurement is closest to the value of x in centimeters?
2 cm
10 cm
20 cm
6 cm
Gwendolyn placed a 10-foot ladder against the side of her house so that the base of the ladder was 3 feet from the base of the house, as shown in the picture. Which measurement in feet is closest to d, the distance from the top of the ladder to the ground?
10.4 ft
7.0 ft
6.5 ft
9.5 ft
Which of the following measures could NOT be used to create a right triangle?
27 ft, 36 ft, 45 ft
21 ft, 28 ft, 34 ft
39 ft, 52 ft, 65 ft
14 ft, 48 ft, 50 ft
The table shows the number of books they reported reading for 5 consecutive weeks. Which student reported reading a proportionally increasing number of books for 5 consecutive weeks?
Pedro
Noah
Otis
Quannah
What value of m makes the equation y + m = 6x + 15 a proportional relationship?
-15
0
6
15
Given a parallelogram, which of the following would not result in a parallelogram congruent to the original?
Reflecting the parallelogram over the line y = x.
Rotating the parallelogram 90 degrees.
Translating the parallelogram 5 units up and 2 units to the left.
Dilating the parallelogram by a scale factor of 0.5.
Which of the following transformations preserve conguerence?
I. Translation
II. Reflection
III. Rotation
IV. Dilation
I and II only
II, III, and IV only
I, II, and III only
I, III, and IV only
Which of the following represents a function?
I only
I and III only
II only
II and III only
