NAEP Mathematics Grade 8 - Question List

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76. Which of the following equations has the same solution as the equation 2 x + 6 = 32 ?
  1. 2 x = 38
  2. x ? 3 = 16
  3. x + 6 = 16
  4. 2( x ? 3) = 16
  5. 2( x + 3) = 32
77. Megan drew a rectangle that has an area of 24 square centimeters. Which of the following could be the dimensions of her rectangle?
  1. 2 centimeters by 12 centimeters
  2. 3 centimeters by 9 centimeters
  3. 4 centimeters by 20 centimeters
  4. 6 centimeters by 6 centimeters
  5. 12 centimeters by 12 centimeters
78. In which of the following numbers is the digit 6 in the hundredths place?
  1. 682.3
  2. 382.6
  3. 6.832
  4. 4.836
  5. 2.862
79. The school carnival committee sold a total of 200 tickets for the grand prize drawing. Sue bought enough tickets so that she had a 20 percent chance of winning the grand prize. How many tickets did Sue buy?
  1. 20
  2. 40
  3. 160
  4. 400
  5. 1,000
80. If x = 2 n + 1, what is the value of x when n = 10?
  1. 11
  2. 13
  3. 20
  4. 21
  5. 211

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