TEKS.MATH.8.2B

Which number is a rational number ?

• 1/4
• π
• √3
• 4.632789...

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TEKS.MATH.8.2B

√3  

• Rational
• Irrational
• Imaginary
• Whole

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TEKS.MATH.8.2B

Which best describes an irrational number?

• Any number that can be expressed as a fraction
• A positive or negative whole number.
• A number that is a non-terminating, non-repeating decimal.
• A perfect square.

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TEKS.MATH.8.2B

Which number is irrational?

• 9.6
• √45
• 3/8
• 3.4 x 10 ⁵

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TEKS.MATH.8.2B

Which number is not rational?

• -7
• 0.33
• Square Root of 25
• Square Root of 15

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TEKS.MATH.8.2B

What is the opposite of squaring a number?

• divide
• multiply 
• fractions
• square root

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TEKS.MATH.8.2B

What does π equal?

• 3.14
• 3
• 6.28
• 2

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TEKS.MATH.8.2B

In between what two integers is the square root of 44?

• 3 and 4
• 4 and 5
• 5 and 6
• 6 and 7

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TEKS.MATH.8.2B

Simplify √45

• 3√5

• 5√3

• 9√5

• 5√9

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TEKS.MATH.8.2B

Level 3: Estimate the square root.

• Between 7 and 8 and closer to 8

• Between 8 and 9 and closer to 9

• Between 9 and 10 and closer to 9

• Between 9 and 19 and closer to 10

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TEKS.MATH.8.2B