# STAAR Math Grade 8 2016 - Past Paper

## Quiz by Texas Education Agency

Mathematics
Texas Essential Knowledge and Skills (TEKS)

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56 questions
• Q1
Four students are each trying to raise the same amount of money for a class trip. The table below shows how much of each student’s goal has been met. Which list shows the numbers in the table in order from least to greatest?
0.7, 65%, 5/8, 2/3
5/8 , 65%, 2/3, 0.7
5/8, 2/3, 65%, 0.7
0.7, 5/8, 65%, 2/3
60s
8.2.D: Number and Operations
• Q2
Which graph shows a proportional relationship between x and y?
60s
8.5.F: Proportionality
• Q3
Point M is located at (4, 6) on a coordinate grid. Point M is translated 8 units to the left and 9 units down to create point M′. Which measurement is closest to the distance between point M and point M′ in units?
4 units
9 units
12 units
17 units
60s
8.7.D: Expressions, Equations and Relationships
• Q4
Tamara invested $15,000 in an account that pays 4% annual simple interest. Tamara will not make any additional deposits or withdrawals. How much interest will Tamara earn on her investment at the end of 3 years?$450
$600$1,800
$1,873 60s 8.12.D: Personal Financial Literacy • Q5 An aquarium is being filled with water. The graph shows the height of the water over time as the aquarium is being filled. Which statement best describes the rate of change for this situation? The height of the water increases 2.5 inches per second. The height of the water increases 20 inches per second. The height of the water increases 5 inches per second. The height of the water increases 1 inch per second. 60s 8.4.B: Proportionality • Q6 In the diagram a person who is 6 ft tall is standing on the ground 3 ft away from point P. A line segment drawn from the top corner of the building to point P creates two similar triangles. Which proportion can be used to find h, the height of the building in feet? 3/h = 18/6 6/3 = h/18 6/3 = h/18 3/15 = h/6 60s 8.3.A: Proportionality • Q7 Carnival M charges an entrance fee of$5.00 and $0.65 per ticket for the rides. Carnival P charges an entrance fee of$10.00 and $0.45 per ticket for the rides. How many tickets must be purchased in order for the total cost at Carnival M and Carnival P to be the same? 10 50 75 25 60s 8.8.C: Expressions, Equations and Relationships • Q8 The coordinate grid shows parallelogram PQRS. Parallelogram PQRS is rotated 90° clockwise about the origin to create parallelogram PQRS′. Which rule describes this transformation? (x , y)→ ( x, -y) (x , y)→ ( y,x) (x , y)→ ( y,-x) (x , y)→ ( -x, y) 60s 8.10.C: Two-Dimensional Shapes • Q9 The value of y varies directly with x. When y= 75, x =$\frac{1}{2}$. What is the value of y when x is$2\tfrac{1}{4}$?$16\tfrac{2}{3}84\tfrac{3}{8}168\tfrac{3}{4}337\tfrac{1}{2}\$
60s
8.5.E: Proportionality
• Q10
60s
8.7.B: Expressions, Equations and Relationships
• Q11
Julie made 25 international long-distance phone calls to London last month. The scatterplot below shows the length and cost of each phone call she made. Which conclusion is best supported by the scatterplot?
As the length of a call increases, the cost of the call increases.
As the length of a call increases, the cost of the call remains the same.
As the length of a call increases, the cost of the call decreases.
There is no relationship between the length of a call and the cost of a call.
60s
8.11.A: Measurement and Data
• Q12
What are the slope and the y-intercept of the graph of the linear function shown on the grid?
Slope= -1/4, y-intercept =-1.5
Slope = -4, y-intercept = -1.5
Slope = 4, y-intercept = -6
Slope= 1/4 = , y-intercept = -6
60s
8.4.C: Proportionality
• Q13
A preschool has a rectangular field and a rectangular playground that are similar in shape. Each dimension of the field is 3.2 times the corresponding dimension of the playground. Which statement is true?
The area of the field is 6.4 times the area of the playground.
The perimeter of the field is 10.24 times the perimeter of the playground.
The area of the field is 10.24 times the area of the playground.
The perimeter of the field is 6.4 times the perimeter of the playground.
60s
8.10.D: Two-Dimensional Shapes
• Q14
60s
8.5.I: Proportionality
• Q15
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, as shown in the diagram below. What is h, the total height in feet of the piece of plywood? Be sure to use the correct place value.
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