The Number System

There's safety in numbers, so be sure to review these words related to the number system. Learn about fractions and decimals, common factors and multiples, the coordinate system, and types of numbers, including integers, whole numbers, rational numbers, and more. We're positive that this list has great value!
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Full list of words from this list:

words only definitions & notes
  1. absolute value
    a real number regardless of its sign
  2. addition
    the arithmetic operation of summing
  3. additive inverse
    one of a pair of numbers whose sum is zero
  4. algorithm
    a precise rule specifying how to solve some problem
  5. approximation
    a rough calculation of quantity or degree or worth
  6. axis
    a straight line through a body or figure
  7. common factor
    an integer that divides two (or more) other integers evenly
  8. common multiple
    an integer that is a multiple of two or more other integers
  9. composite number
    an integer that is divisible without remainder by at least one positive integer other than itself and one
  10. compute
    make a mathematical calculation
  11. consecutive
    in regular succession without gaps
  12. coordinate
    a number that identifies a position relative to an axis
  13. coordinate system
    a system that uses coordinates to establish position
  14. decimal
    a number in a system based on ten
  15. distance
    the property created by the space between two objects
  16. division
    arithmetic operation that is the inverse of multiplication
  17. divisor
    the number by which a dividend is divided
  18. equation
    a mathematical statement that two expressions are the same
  19. estimate
    an approximate calculation of quantity or degree or worth
  20. express
    indicate through a symbol, formula, etc.
  21. expression
    a group of symbols that make a mathematical statement
  22. factor
    an integer that can be exactly divided into another integer
  23. factorization
    breaking down an integer or polynomial into its divisors
  24. fraction
    the quotient of two rational numbers
  25. greatest common factor
    the largest integer that divides without remainder into a set of integers
  26. horizontal
    parallel to or in the plane of the horizon or a base line
  27. integer
    any natural number or its negative, or zero
  28. irrational number
    a real number that cannot be expressed as a rational number
  29. least common multiple
    the smallest multiple that is exactly divisible by every member of a set of numbers
  30. long division
    the operation of division in which the sequence of steps are indicated in detail
  31. magnitude
    the property of relative size or extent
  32. multiple
    the product of a quantity by an integer
  33. multiplication
    arithmetic operation determining the product of two numbers
  34. multiplicative inverse
    (mathematics) one of a pair of numbers whose product is 1: the reciprocal of 2/3 is 3/2; the multiplicative inverse of 7 is 1/7
  35. natural number
    the number 1 and any other number obtained by adding 1 to it repeatedly
  36. negative
    less than zero
  37. operation
    a calculation by mathematical methods
  38. opposite
    moving or facing away from each other
  39. ordering
    the act of putting things in a sequential arrangement
  40. point
    a geometric element that has position but no extension
  41. positive
    greater than zero
  42. prime factor
    the prime factors of a quantity are all of the prime quantities that will exactly divide the given quantity
  43. product
    a quantity obtained by multiplication
  44. quadrant
    any of the four areas into which a plane is divided
  45. quantity
    the concept that something has a magnitude
  46. quotient
    the number obtained by division
  47. rational number
    an integer or the quotient of two integers
  48. real number
    any rational or irrational number
  49. reciprocal
    one of a pair of numbers whose product is 1
  50. reflection
    transformation in which the direction of an axis is reversed
  51. relative
    properly linked in size or degree or other characteristics
  52. repeating decimal
    a decimal with a sequence of digits that repeats itself indefinitely
  53. subtraction
    arithmetic operation of deducting one quantity from another
  54. sum
    a quantity obtained by the addition of a group of numbers
  55. truncate
    approximate by ignoring all terms beyond a chosen one
  56. value
    a numerical quantity measured or assigned or computed
  57. vertical
    at right angles to the plane of the horizon or a base line
  58. whole number
    any of the natural numbers or zero
Created on Tue Feb 07 13:41:38 EST 2017 (updated Wed Mar 29 15:51:20 EDT 2017)

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