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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
Which of these numbers is irrational?
  1. √29
  2. 25
  3. 13
  4. 7
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
√12√18 is a rational number.
  1. True
  2. False
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Choose the number that is rational.
  1. √98
  2. √66
  3. √79
  4. √1024
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Choose the number that is irrational.
  1. 98
  2. 56
  3. √63
  4. √144
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Choose the number that is irrational.
  1. 45
  2. 323
  3. 5.ˉ5
  4. √10
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Which of these numbers is irrational?
  1. √13
  2. 113
  3. 131
  4. 139
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Choose the number that is rational.
  1. √8253
  2. 6√25
  3. √123
  4. 1024√63
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Choose the number that is irrational.
  1. √23
  2. √49
  3. 116
  4. 91
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
2√33 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.1
Which of these numbers is rational?
  1. √29√17
  2. √9√25
  3. √13
  4. √63√9
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Choose the number that is rational.
  1. √10226
  2. √9100
  3. √531
  4. 6√13
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
√54 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. √10025
  2. √2516
  3. √125
  4. √914
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Choose the number that is irrational.
  1. √25
  2. √49
  3. 34
  4. √87
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Which of these numbers is irrational?
  1. √36
  2. -175
  3. √9
  4. √99
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Choose the number that is irrational.
  1. 458
  2. √25
  3. 5645
  4. √53
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