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Eighth Grade (Grade 8) Rational and Irrational Numbers Questions

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Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.2
[math]pi >= 4[/math]
  1. True
  2. False
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Choose the number that is irrational.
  1. [math]21/99[/math]
  2. [math]sqrt100[/math]
  3. [math]sqrt(36/3[/math]
  4. [math]2/94[/math]
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.2
Choose the best answer.

[math]sqrt(84)[/math] is between which two numbers?
  1. 10 and 11
  2. 9 and 10
  3. 8 and 9
  4. 7 and 8
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.2
The value of [math]sqrt99[/math] falls between 9 and 10.
  1. True
  2. False
Grade 8 Rational and Irrational Numbers CCSS: 8.EE.A.1
Rewrite the expression in simpler form.

[math]4^3*4^8[/math]
  1. [math]16^11[/math]
  2. [math]4^24[/math]
  3. [math]16^24[/math]
  4. [math]4^11[/math]
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Identify the set of numbers that best describes the situation.

the cost of an item at a store
  1. rational numbers
  2. whole numbers
  3. integers
  4. irrational numbers
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.2
The value of [math]sqrt2[/math] falls between 2.4 and 2.5.
  1. True
  2. False
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Which of the following best describes [math]- sqrt3[/math]?
  1. whole and irrational
  2. whole and rational
  3. real and irrational
  4. real and rational
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Square root of 225
  1. Rational
  2. Irrational
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Choose the number that is irrational.
  1. [math]sqrt123[/math]
  2. [math]88/41[/math]
  3. [math]sqrt49[/math]
  4. [math]23/69[/math]
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Which of these numbers is irrational?
  1. [math]sqrt16[/math]
  2. [math]sqrt99[/math]
  3. [math]13/4[/math]
  4. [math]sqrt225[/math]
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Choose the number that is irrational.
  1. [math]1/4[/math]
  2. [math]sqrt47[/math]
  3. [math]89/9[/math]
  4. [math]4/3[/math]
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Choose the number that is rational.
  1. [math]sqrt(464/3[/math]
  2. [math]sqrt(2809/400[/math]
  3. [math]sqrt(3)/46[/math]
  4. [math]sqrt33[/math]
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Which of the following can NOT be classified as a rational number?
  1. Integers
  2. A decimal number that continues on forever with no pattern
  3. A square root that has finite decimal places
  4. Fractions
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.2
Choose the best answer.

[math]sqrt(39)[/math] is between which two numbers?
  1. 9 and 10
  2. 8 and 9
  3. 7 and 8
  4. 6 and 7
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.2
Choose the best answer.

[math]sqrt(20)[/math] is between which two numbers?
  1. 2 and 3
  2. 3 and 4
  3. 4 and 5
  4. 5 and 6
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
The number 0.6 is a(n)                 number.
  1. rational
  2. irrational
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
The the number 0.135135135135135.... is a(n)                 number.
  1. rational
  2. irrational
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Which number is irrational?
  1. 3.7
  2. 1/4
  3. .25
  4. 1.23124125126127...
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