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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
1/3
  1. Rational
  2. Irrational
Grade 8 Fractions and Ratios CCSS: 8.NS.A.1
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Choose the number that is rational.
  1. [math]9/7.5[/math]
  2. [math]2.3/19[/math]
  3. [math]9/27[/math]
  4. [math]36.5/14[/math]
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
.23609856...
  1. Irrational
  2. Rational
Grade 8 Number Types CCSS: 8.NS.A.1
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Square root of 67
  1. Irrational
  2. Rational
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
124.87
  1. Irrational
  2. Rational
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
12.4444444444....
  1. Rational
  2. Irrational
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
Which of the following numbers is irrational?
  1. [math].30[/math]
  2. [math]1/2[/math]
  3. [math]-3[/math]
  4. [math]sqrt2[/math]
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
65.8904156...
  1. Rational
  2. Irrational
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
1/5
  1. Rational
  2. Irrational
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Non-terminating, non-repeating decimals are classified as                   .
  1. Irrational Numbers
  2. Natural Numbers
  3. Rational Numbers
  4. Whole Numbers
Grade 8 Metric System and SI CCSS: 8.NS.A.1
Grade 8 Fractions and Ratios CCSS: 8.NS.A.1
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Grade 8 Fractions and Ratios CCSS: 8.NS.A.1
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Which of the following is not a rational number?
  1. [math]7[/math]
  2. [math]3/4[/math]
  3. [math]sqrt2[/math]
  4. [math]0.23[/math]
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