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Common Core Standard 8.NS.A.1 Questions

Know that numbers that are not rational are called irrational. Understand informally that every number has a decimal expansion; for rational numbers show that the decimal expansion repeats eventually, and convert a decimal expansion which repeats eventually into a rational number.

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Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
All non-terminating decimals are irrational numbers.
  1. True
  2. False
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
Choose the number that is rational.
  1. √4643
  2. √2809400
  3. √346
  4. √33
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Choose the number that is irrational.
  1. 14
  2. √47
  3. 899
  4. 43
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
π is a rational number.
  1. True
  2. False
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
23 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. √16
  2. √99
  3. 134
  4. √225
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
Choose the number that is irrational.
  1. 0.222
  2. 7.5
  3. √182
  4. √5
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
Which of these numbers is irrational?
  1. √324
  2. √289
  3. √199
  4. √25
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
9√25 is a rational number.
  1. True
  2. False
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
√5 is a rational number.
  1. True
  2. False
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Choose the number that is irrational.
  1. √9
  2. π
  3. 13
  4. √49
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Choose the number that is irrational.
  1. √3969
  2. √2892500
  3. √289250
  4. √9801
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Choose the number that is rational.
  1. 769√254
  2. √7985
  3. 154725
  4. √463
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
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