2019-03-31T20:38:01+03:00[Europe/Moscow] en true Real numbers, Factor, Multiple, Prime numbers, Composite numbers, The Fundamental Theorem of Arithmetic, Highest common factor, Lowest common multiple, Proof by contradiction, Integers, Rational numbers, Irrational number, Real Number System, Significant figures, Scientific notation/standard form, Order of magnitude flashcards
Real Numbers

Real Numbers

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  • Real numbers
    The set of all numbers that lie along an infinitely long number line
  • Factor
    Any natural number that divides evenly into a given number
  • Multiple
    A natural number which divides evenly into a given natural number
  • Prime numbers
    Natural numbers that have two factors only
  • Composite numbers
    Natural numbers greater than 1 that are not prime numbers
  • The Fundamental Theorem of Arithmetic
    Every natural number greater than 1 is either prime or can be written as a unique product of primes
  • Highest common factor
    The largest natural number that divides evenly into two given natural numbers
  • Lowest common multiple
    The smallest multiple that two numbers share
  • Proof by contradiction
    A form of proof that establishes the truth of a proposition by showing that the proposition being false would imply a contradiction
  • Integers
    Zero and all the positive and negative numbers
  • Rational numbers
    Fractions where the denominator is not 0 and the numerator and denominator are different
  • Irrational number
    A number that cannot be written as a fraction
  • Real Number System
    The rational numbers together with the irrational numbers
  • Significant figures
    Express a magnitude to a specified degree of accuracy
  • Scientific notation/standard form
    a × 10^n where a is more than or equal to one but less than 10 and n is an integer
  • Order of magnitude
    A number rounded to the nearest power of 10