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Eighth Grade (Grade 8) Arithmetic and Number Concepts Questions

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Grade 8 Rational and Irrational Numbers
Grade 8 Rational and Irrational Numbers CCSS: 8.EE.A.2
[math]sqrt2[/math] is what type of number?
  1. integer
  2. irrational
  3. rational
  4. whole
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.2
Choose the best answer.

[math]sqrt(84)[/math] is between
  1. 10 and 11
  2. 9 and 10
  3. 8 and 9
  4. 7 and 8
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Choose the number that is irrational.
  1. [math]21/99[/math]
  2. [math]sqrt101[/math]
  3. [math]sqrt(36/3[/math]
  4. [math]2/94[/math]
Grade 8 Rational and Irrational Numbers
Grade 8 Rational and Irrational Numbers CCSS: 8.EE.A.1
Rewrite the expression in simpler form.

[math]4^3*4^8[/math]
  1. [math]16^11[/math]
  2. [math]4^24[/math]
  3. [math]16^24[/math]
  4. [math]4^11[/math]
Grade 8 Percents
What is 7% as a decimal.
  1. 0.7
  2. 0.07
  3. 0.007
  4. 7.0
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Which of the following best describes [math]- sqrt3[/math]?
  1. whole and irrational
  2. whole and rational
  3. real and irrational
  4. real and rational
Grade 8 Decimals
What is 1/10 written as a decimal?
  1. 0.10
  2. 0.01
  3. .0.001
  4. 0.1
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.2
Grade 8 Positive and Negative Numbers
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.2
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.2
Choose the best answer.

[math]sqrt(75)[/math] is between
  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.1
Choose the number that is irrational.
  1. [math]sqrt123[/math]
  2. [math]88/41[/math]
  3. [math]sqrt43[/math]
  4. [math]23/69[/math]
Grade 8 Positive and Negative Numbers
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Which of the following is NOT a characteristic of all rational numbers?
  1. They are integers
  2. They can continue on for forever with no pattern
  3. They must be a perfect square root
  4. They are a fraction
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