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1.2 Review (8th Grade Math)

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  • Say all names that apply
    Rational and real
  • Say all names that apply.
    Whole, integer, rational, and real
  • True or false: All irrational numbers are real numbers
    TRUE
  • Write all names that apply to each number in this real world situation: the circumference of a pizza
    Irrational and real because the formula for circumference uses pi
  • True or false: no rational numbers are whole numbers.
    False: a whole number can be written as a fraction with a denominator of 1.
  • What is included in the set of real numbers?
    Irrational numbers, rational numbers, integers, and whole numbers
  • Write all names that apply to each number in this real world situation: a baseball game is half way through the 7th inning.
    Rational and real because they are 7.5 innings in.
  • True or false: real numbers consist of all the numbers on the number line
    True
  • Write all names that apply to each number in this real world situation: The elevation of a house sitting below sea level.
    Integer or rational number because it is negative but we don't know if it is a whole number or a fraction
  • What is the definition of a rational number?
    A number that can be expressed as a ratio a/b where a and b are integers and b is not equal to 0.
  • What is the definition of an integer?
    The set of whole numbers and their opposites.
  • Say all names that apply.
    Irrational
  • True or false: all irrational numbers are rational numbers.
    False! Irrational numbers are irrational!
  • Fill in the blanks 1-4.
    1. Whole numbers 2. Integers 3. Rational numbers 4. Irrational numbers
  • Write all names that apply to each number in this real world situation: baking instructions that want you to add a quarter cup of honey
    Rational and real because it is a fraction
  • Say all names that apply
    Integer, rational, and real
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