Want to see correct answers?
Login or join for free!
  Arithmetic Worksheets
Looking for Arithmetic worksheets?
Check out our pre-made Arithmetic worksheets!
Share/Like This Page

Eighth Grade (Grade 8) Arithmetic and Number Concepts Questions

You can create printable tests and worksheets from these Grade 8 Arithmetic and Number Concepts questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

1 2 3 4 ... 16
Grade 8 Scientific Notation
Which of the following numbers is not written in scientific notation?
  1. [math]8.6 xx 10^4[/math]
  2. [math]2.12 xx 10[/math]
  3. [math]22.1 xx 10^(-5)[/math]
  4. [math]9.9132 xx 10^(-1)[/math]
Grade 8 Fractions and Ratios
Multiply.

[math]12/25 * 20/21[/math]
  1. [math]16/ 35[/math]
  2. [math]120/ 425[/math]
  3. [math]10/15[/math]
  4. [math]2/3[/math]
Grade 8 Scientific Notation
Convert 0.00088 to scientific notation.
  1. [math]88 * 10^(-5)[/math]
  2. [math].88 * 10^(-3)[/math]
  3. [math]8.8 * 10^(-4)[/math]
  4. [math]8.8 * 10^4[/math]
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 Fractions and Ratios
[math]4/5 -: 3/8[/math]
  1. 3/10
  2. 32/15
  3. 12/8
  4. 10/3
Grade 8 Fractions and Ratios
In his race, Speedy McGoo ran the 400 meter dash in 14.5 seconds. What is his speed in meters per second?
  1. .03625 meters per second
  2. 10 meters per second
  3. 27.59 meters per second
  4. 25 meters per second
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 Fractions and Ratios
[math]8/35 xx 15/16[/math]
  1. 1/2
  2. 3/14
  3. 3/16
  4. 5/14
Grade 8 Fractions and Ratios
Find the reciprocal of [math]x/3[/math].
  1. [math]3/x[/math]
  2. [math]x/1[/math]
  3. [math]1/x[/math]
  4. [math](1n)/3[/math]
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 CCSS: 8.NS.A.1
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 Rational and Irrational Numbers CCSS: 8.NS.A.2
Grade 8 Positive and Negative Numbers
1 2 3 4 ... 16
You need to have at least 5 reputation to vote a question down. Learn How To Earn Badges.