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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.1
Which of the following fractions most closely approximates the value of π?
  1. 721
  2. 722
  3. 217
  4. 227
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
All real numbers are rational.
  1. True
  2. False
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.2
Choose the best answer.

√39 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.1
π and 2.789625343... are examples of irrational numbers.
  1. True
  2. False
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.1
Which of these numbers is not irrational?
  1. √29
  2. √15
  3. √43
  4. 7√4
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Which of these numbers is irrational?
  1. 34
  2. √237
  3. 1345
  4. 6332
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.2
Choose the best answer.

√20 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
Choose the number that is rational.
  1. √6923
  2. √768
  3. √59
  4. √2894
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
√9√16 is a rational number.
  1. True
  2. False
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Which of these numbers is irrational?
  1. √73
  2. √16
  3. √169
  4. √225
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.2
Choose the best answer.

√106 is between which two numbers?
  1. 10 and 11
  2. 9 and 10
  3. 11 and 12
  4. 8 and 9
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Which of these numbers is rational?
  1. √29
  2. √34
  3. √81
  4. √99
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Which of the following numbers is irrational?
  1. .30
  2. 12
  3. -3
  4. √2
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Which of these numbers is irrational?
  1. √49
  2. 163
  3. 243
  4. √5
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.2
Choose the best answer.

√162 =
  1. 1
  2. 2
  3. 3
  4. 4
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.2
π<3
  1. True
  2. False
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