STAAR PREP 8.2A-D, 8.8B,C

• Rational numbers, because -√169 is equal to -84.5

• Integers, because -√169 is equal to -13

• Irrational numbers, because -√169 is equal to -84.5

• Whole numbers, because -√169 is equal to 13

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8.2A

Set Q and Set Z are subsets of the real number system.

Q = {rational numbers}

Z = {integers}

Which Venn diagram best represents the relationship between Set Q and Set Z?

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8.2A

The area of a square wall is 182 square feet. Which measurement is closest to the side length in feet of this wall?

• 91.0 ft

• 13.5 ft

• 54.0 ft

• 45.5 ft

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8.2B

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

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8.2B

The radius of the planet Neptune is approximately 15,300 miles. How is this number of miles written in scientific notation?

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8.2C

There are a total of 463,100 books in a library. What is the value of the exponent when this number is written in scientific notation?

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8.2C

The area of a piece of land is 4,951,000 square meters. How is this number of square meters written in scientific notation?

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CCSS.8.EE.A.3

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

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8.2D

Which numbers have a value greater than π? Select TWO correct answers.

• 8/3

• 3.14

• 23/7

• √9

• √10

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8.2D

Which values of x make the inequality true? x > 28/5

• √34

• -8

• 4.7

• 19/3

• 2√11

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8.2D