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Worksheets8th grade STAAR math review 2026
Total questions: 50
Worksheet time: 2hrs 21mins
Which of the following does NOT represent y as a function of x?
Option A
Option B
Option C
Option D
What is the y-intercept of line C?
(2,0)
(0,2)
(-2,0)
(0,-2)
Which measurement is closest to the volume of the cylinder?
452 in³
509 in³
1,809 in³
2,135 in³
Which measurements could NOT represent the side lengths of a right triangle?
15 cm, 12 cm, 9 cm
14 cm, 8 cm, 4 cm
12 cm, 37 cm, 35 cm
5 cm, 12 cm, 13 cm
Which table shows the same relationship as y = -x + 4?
Table a
Table b
Table c
Table d
Marissa is painting her storage shed. How much paint will Marissa need to paint all of the sides of the storage shed, including the top and bottom?
148 ft²
294 ft²
364 ft²
510 ft²
Which scatterplot suggests a linear relationship between x and y?
A
C
B
D
The set designer for a play painted some background scenery on a large piece of plywood. He used a 13-foot-long pole to hold the piece of plywood upright. What is the TOTAL height in feet of the piece of plywood?
13 ft.
12 ft.
14 ft.
18 ft.
Which equation below can be used to describe the relationship between x and y shown on the graph?
y=3/2x+3
y=3/2x+2
y=-3/2x+3
y=-3/2x+2
Which graph appears to show a proportional relationship between x an y?
F.
H.
G.
J.
Which representation does NOT show y as a function of x?
Table with values of x and y
Graph on a coordinate plane
Set of ordered pairs
Mapping diagram with values of x and y
Carter deposits $200 into a new savings account that pays 6% annual simple interest. Reese deposits $200 into a new savings account that pays 6% interest compounded annually. If both Carter and Reese leave their $200 deposit in their accounts for 72 months, how much more will Reese have earned in interest than Carter?
$11.70
$70.20
$83.70
$211.70
A teacher made a scatterplot to show the relationship between the number of missing homework assignments a student had and the student's grade on the end of year exam. Based on this data, approximately what score should a student with 5 missing assignments expect to receive on the exam?
95
78
68
62
The Venn diagram shows the relationships among several sets of numbers.
Where should 225 be placed in the Venn diagram?
A.
Irrational numbers, because 225 is equal to 112.5
B
Rational numbers, because 225 is equal to 112.5
C
Integers, because 225 is equal to 15
D
Natural numbers, because 225 is equal to 15
A triangular prism and its dimensions are shown in the diagram.
What is the total surface area of the triangular prism in square feet?
A. 128 ft2
B. 152 ft2
C. 112 ft2
D. 64 ft2
The two lines graphed on the coordinate grid each represent an equation. Which ordered pair represents a solution to both equations?
(-1,0)
(0,-1)
(2,0)
(0,2)
Julia is creating a model to explain the Pythagorean Theorem. Her incomplete model appears in the diagram. Which of the following best describes the missing part of Julia's model?
A 13-unit by 12-unit parallelogram attached to the two squares
A 1-unit by 1-unit square attached to the third side of the triangle
A 5-unit by 5-unit square attached to the third side of the triangle
A 13-unit by 12-unit by 25-unit triangle attached to the two squares
What is the function of the linear graph?
y=3x-6
y=-3x-6
y=3x+6
y=-6x-3
Josh can wash 3 cars in 4 hours. Which graph has a slope that best represents the number of cars Josh can wash?
A
B
C
D
Which one of the following algebraic representations does NOT preserve congruence?
(x,y) -> (-x,y)
(x,y) -> (x+1,y)
(x,y) -> (-y,x)
(x,y) -> (.75x, .75y)
Eloise is looking for an apartment. Apartment A costs $1,200 per month and
requires a one-time deposit of $1,000. Apartment B costs $1,175 per month and
requires a one-time deposit of $1,500.
How many months will it take for the costs to be the same?
8 months
40 months
10months
20 months
Quadrilateral ABCD was dilated with the origin as the center of dilation to create quadrilateral A'B'C'D'. Which rule best represents the dilation that was applied to quadrilateral ABCD to create quadrilateral A'B'C'D'?
(x,y) -> (0.4x,0.4y)
(x,y) -> (x+3,y+1.5)
(x,y) -> (2.5x,2.5y)
(x,y) -> (x-1.5,y+3)
What is the length of segment AC?
11.4 units
11.8 units
12.4 units
12.8 units
Denise is filling a square sandbox for her brother. If the sandbox floor has an area of 14 square feet, about how long is one side of the sandbox?
Between 3 feet and 3.5 feet
Between 3.5 feet and 4 feet
Between 4 feet and 4.5 feet
Between 4.5 feet and 5 feet
The height of the cone is 18 cm. What is the volume of the cone?
108 π cm3
72 π cm3
216 π cm3
54 π cm3
Adam is putting a label around the can shown. How many square inches of paper does he need for the label to wrap around the can?
575.3 cm2
287.6 cm2
398.5 cm2
604.1 cm2
Maria heated water in a beaker. When she began, the water had a temperature of 40 degrees and she heated it at a rate of 2.5 degrees per minute. Katlyn had water in a different beaker which had an initial temperature of 50 degrees and grew cooler by 1.5 degrees per minute. Which equation could be used to determine how many minutes passed before the water temperature in both beakers was the same?
2.5x+40=1.5x+50
2.5x+1.5x=40+50
40-2.5x=50-1.5x
2.5x+40=-1.5x+50
In an equation, y varies directly as x varies. If y = -40 when x = 5, what is the value of x when y = -4?
-1/4
-2
2
1/2
Gilbert's teacher instructs him to organize the following numbers in order from least to greatest. Which number should Gilbert place first in his arrangement?
432
5−22
-4.8
42%
Scientists have determined that the closest possible distance between Earth and Mars is 3.39 x 107 miles. What is this distance written in standard form?
0.0000000339 miles
0.0000339 miles
33,900,000 miles
3,390,000,000 miles
What is the slope of the line containing the points in the table shown below?
3
1.5
-1.5
-3
A water tank currently contains 275 gallons of water. The amount of water in the tank will decrease at a constant rate of 15 gallons per week. Which function can be used to find t, the total number of gallons of water in the tank after w weeks?
t = 15w – 275
t = –15w + 275
t = 275w – 15
t = –275w + 15
In youth softball, the ball has a diameter of about 3.5 inches. In adult softball, the ball has a diameter of about 3.8 inches. What is the best approximation for the difference between the volumes of the two softballs?
1.6 in³
2.3 in³
6.3 in³
9.2 in³
Emily drew a transformation of Triangle ABC, as shown in the diagram. Which algebraic representation would Emily have used to determine the coordinates for Triangle A'B'C'?
(x,y) -> (-x,-y)
(x,y) -> (x,y-7)
(x,y) -> (x+1,y-7)
(x,y) -> (x-1,y+7)
Which algebraic representation should be used to find the coordinates for figure J'K'L'M', the reflection of figure JKLM over the y-axis?
(x,y) -> (-x,y)
(x,y) -> (x,-y)
(x,y) -> (-x,-y)
(x,y) -> (-x,y+1)
The scatterplot shows the relationship between the number of nights spent in a hotel and the total cost for the hotel.
F
As the number of nights spent in a hotel increases, the total cost for the hotel increases.
G
As the number of nights spent in a hotel increases, the total cost for the hotel decreases.
H
As the number of nights spent in a hotel increases, the total cost for the hotel remains the same.
J
There is no relationship between the number of nights spent in a hotel and the total cost for the hotel.
A cylinder and its dimensions are shown in the diagram.
Which equation can be used to find V, the volume of the cylinder in cubic inches?
V = π (2.5 )h2
V= π (5 )h2
V = π (2.5 )2h
V= π (5 )2h
What is the mean absolute deviation of this data?
4.4
5.9
7.1
8.2
The department of transportation recorded the number of cars on the road and the average speed of the cars. Based on the scatter plot, which is the best prediction of the average speed if there are 200 cars on the road?
A. 35 mph
B. 10 mph
C. 55 mph
D. 70 mph
A triangular prism and its dimensions are shown in the diagram.
What is the lateral surface area of the prism in square centimeters?
A. 580 cm2
B. 577.5 cm2
C. 525 cm2
D. 205 cm2
The graph models the linear relationship between the charge for a trip and the number of miles driven for two taxis. Based on the graph, which statement appears to be true?
The charge for a trip with a distance of 5 miles is $5 greater for Taxi 1 than for Taxi 2.
The charge for a trip with a distance of 5 miles is $5 less for Taxi 1 than for Taxi 2.
The charge for a trip with a distance of 5 miles is $20 for both Taxi 1 and Taxi 2.
The charge for a trip with a distance of 5 miles cannot be determined for either Taxi 1 or Taxi 2.
The table below shows information about the new savings accounts opened by four different customers. If none of the customers make any deposits or withdrawals, which customer will have earned the greatest amount of interest after 3 years?
K. Wayne
J. Cho
M. Wolfe
A. Jones
The diagonal lengths of three rectangles are shown. The rectangles are not drawn to scale. Which list shows the rectangles in order by their diagonal lengths from shortest to longest?
Rectangle T, Rectangle S, Rectangle P
Rectangle T, Rectangle P, Rectangle S
Rectangle S, Rectangle T, Rectangle P
Rectangle S, Rectangle P, Rectangle T
Triangle XYZ is rotated 90° clockwise about the origin to form triangle X'Y'Z'. Which statement is true?
The sum of the angle measures of triangle XYZ is 90° less than the sum of the angle measures of triangle X'Y'Z'.
The angle measures of triangle XYZ are less than the corresponding angle measures of triangle X'Y'Z'.
Triangle XYZ is not congruent to triangle X'Y'Z'.
The area of triangle XYZ is equal to the area of triangle X'Y'Z'.
A survey of customers at a restaurant revealed that 7 out of 10 customers preferred the restaurant's new spaghetti sauce. Which graph shows the relationship between y, the number of customers who preferred the new spaghetti sauce, and x, the total number of customers?
Graph A
Graph B
Graph C
Graph D
An airplane's altitude in feet during its descent can be found using the equation y=-200x+20,000. After new government regulations become law, the descent is now modeled by the equation y=-200x+20,500. Which statement describes this change?
The airplane starts its descent from an altitude 500 feet higher.
The airplane starts its descent from an altitude 500 feet lower.
The airplane descends 500 feet per horizontal mile faster.
The airplane descends 500 feet per horizontal mile slower.
Which proportion can be used to show that the slope of PR is equal to the slope of RT?
F
G
H
J
Rectangle ABCD is shown with the dimensions given in units. The length of AB is greater than the length of AD. Which inequality represents this situation?
9x - 16 < 1.5x + 42
9x - 16 > 1.5x + 42
10.5x < 26
10.5x > 26
A student solved the equation x2 = 132 to find the length of the diagonal of a square in centimeters. Which measurement is closest to x, the length of the diagonal of this square, in centimeters?
66 cm
44 cm
33 cm
11 cm
Which best describes the results when the dimensions of a triangle is dilated with a scale factor of 2?
The area of the new triangle is 2 times greater than the original triangle.
The area of the new triangle is 4 times greater than the original triangle.
The area of the new triangle is 6 times greater than the original triangle.
The area of the new triangle is 3 times greater than the original triangle.
