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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
23 is a rational number.
  1. True
  2. False
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.2
Which of the following is the best estimation of the value of π?
  1. 3
  2. 4
  3. 5
  4. 6
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.2
Choose the best answer.
√67 is between which two numbers?
  1. 9 and 9.5
  2. 9.5 and 10
  3. 8 and 9
  4. 7 and 8
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.2
Choose the best answer.

√75 is between which two numbers?
  1. 8 and 8.5
  2. 8.5 and 9
  3. 7.5 and 8
  4. 9 and 9.5
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.2
Choose the best answer.

√273 is between which two numbers?
  1. 3 and 4
  2. 2 and 3
  3. 1 and 2
  4. 0 and 2
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Which of the following is not a rational number?
  1. 7
  2. 34
  3. √2
  4. 0.23
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Identify the set of numbers that best describes the situation.

the surface area of a sphere where the radius is a rational number
  1. rational numbers
  2. whole numbers
  3. integers
  4. irrational numbers
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.2
Choose the best answer.

√564 is between which two numbers?
  1. 0 and 1
  2. 0 and 0.5
  3. 1 and 2
  4. 1 and 1.5
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
√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. 0.222
  2. 7.5
  3. √182
  4. √5
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Irrational numbers include natural numbers, whole numbers, and integers.
  1. True
  2. False
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Rational numbers cannot be irrational numbers.
  1. True
  2. False
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
All rational numbers are real.
  1. True
  2. False
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
Which number is a natural number?
  1. 3/4
  2. .02
  3. -2
  4. 32
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