8th Math STAAR Review

A marble is in the shape of a sphere with a diameter of 13 millimeters.

Which measurement is closest to the volume of the marble in cubic millimeters?

• 1,150 mm³

• 863 mm³

• 6,902 mm³

• 9,203 mm³

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CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

Which list shows the numbers in order from greatest value to least value?

Tags

CCSS.8.NS.A.2

Which graph does NOT represent y as a function of x?

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A company employee had to read several financial reports. The scatterplot shows the lengths and reading times for those reports.

Which prediction of the time in minutes to read a 90-page report is best supported by the data?

• 95 min

• 105 min

• 125 min

• 155 min

Quadrilateral PQRT and quadrilateral KLMN are similar.

Which proportion must be true?

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8.3(A)

A triangular prism and its dimensions in feet are shown.

What is the total surface area of the prism in square feet?

• 456 ft²

• 672 ft²

• 768 ft²

• 576 ft²

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8.7(B)

A tank starts off containing 1,060 gallons of water, and 35 gallons of water leaks from the tank every hour. At the same time, an empty pool is filled with water at a rate of 480 gallons per hour.

Which inequality represents all possible values for x, the number of hours that have passed when the tank contains less water than the pool?

Tags

8.8(A)

• 3x
• 3y
• 2x
• 2y
• 6x
• 6y

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8.3(C)

A printing store used 24 ounces of ink in 18 minutes. Which graph has a slope that best represents the average number of ounces of ink used per minute?

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8.4(B)

A cylindrical swimming pool has a radius of 9 feet and a height of 4 ft. Which equation can be used to find V, the volume of the swimming pool in cubic feet?

• V = 2 (9) (4)

• V = (9)² (4)

• V = π (9)² (4)

• V = 2π (9) (4)

Tags

8.6(A)