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Rational & Irrational Numbers Review

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  • Find the length of each side of a cube with a volume of 64 ft³.
    4 ft
  • Write the decimal 0.347 as a fraction:
    347/1000
  • The square root is between what 2 integers?
    7 and 8
  • Estimate the square root:
    8.7 , 8.8 , 8.9
  • Give an example of an integer.
    Any positive or negative whole number
  • Give an estimate for the root:
    7.1 , 7.2
  • Find the value of x if x² = 25
    5
  • Is √50 rational or irrational?
    Irrational
  • The square root falls between what two numbers?
    3 and 4
  • The area of a square is 225 square feet. What is length of one side of the square?
    15 feet
  • Ms. Shapiro wrote the following numbers on the board and asked Danny to choose the number that was an integer. Which number should Danny choose? a) 5.2 b) -4 c) -½ d) 0.1
    B
  • Compare the numbers using < or >
    <
  • Is 0.825825825... rational or irrational?
    Rational
  • True or False: 196 is a perfect square.
    TRUE! 14 x 14 = 196
  • Write the rational number as a fraction:
    2/100 or 1/50
  • Simplify the root
    2
  • Compare the numbers using < or >
    >
  • Is √100 rational or irrational?
    RATIONAL because √100 = 10.
  • Give an example of any irrational number:
    pi, imperfect square, or non-terminating decimal
  • Is this number rational or irrational?
    Irrational
  • Order the numbers from least to greatest:
    ¾ , 1.7 , √4 , 2.2 , √8
  • Give an example of a whole number.
    0 or any positive whole number
  • -3, 7, 9, 0, 2, 100 ; Which number is NOT an whole number?
    -3