Number and Quantity - High School

We've got your number! Review this list of terms related to number and quantity and learn about real and complex numbers, rational and irrational numbers, exponents, matrices and vectors, and more.
48 words 65 learners

Learn words with Flashcards and other activities

Definition First
Print Flashcards

Other learning activities

Answer a few questions about each word. Use this to prep for your next quiz! Compete with other teams in real time to see who answers the most questions correctly! Test your spelling acumen. Read the definition, listen to the word and try spelling it!

Teaching tools

Create and assign quizzes to your students to test their vocabulary. Assign learning activities including Practice, Vocabulary Jams and Spelling Bees to your students, and monitor their progress in real-time.

Full list of words from this list:

words only definitions & notes
  1. absolute value
    a real number regardless of its sign
  2. additive inverse
    one of a pair of numbers whose sum is zero
  3. coefficient
    a constant number that serves as a measure of some property
  4. complex number
    (mathematics) a number of the form a+bi where a and b are real numbers and i is the square root of -1
  5. component
    something determined in relation to a thing that includes it
  6. conversion
    a change in the units or form of an expression
  7. cube root
    a number that when multiplied three times equals a given number
  8. determinant
    a square matrix used to solve simultaneous equations
  9. dimension
    the magnitude of something in a particular direction
  10. direction
    relation between something and the course on which it moves
  11. endpoint
    a place where something ends or is complete
  12. equation
    a mathematical statement that two expressions are the same
  13. exponent
    notation of how many times to multiply a quantity by itself
  14. identity matrix
    a scalar matrix in which all of the diagonal elements are unity
  15. imaginary number
    (mathematics) a number of the form a+bi where a and b are real numbers and i is the square root of -1
  16. integer
    any natural number or its negative, or zero
  17. irrational
    real but not expressible as the quotient of two integers
  18. irrational number
    a real number that cannot be expressed as a rational number
  19. magnitude
    the property of relative size or extent
  20. matrix
    an array of quantities set out by rows and columns
  21. midpoint
    a point equidistant from the ends of a line or the extremities of a figure
  22. modeling
    the act of representing something
  23. modulus
    an integer that can be divided without remainder into the difference between two other integers
  24. 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
  25. notation
    a technical system of symbols to represent special things
  26. operation
    a calculation by mathematical methods
  27. plane
    an unbounded two-dimensional shape
  28. polynomial
    a mathematical function that is the sum of a number of terms
  29. property
    a basic or essential attribute shared by members of a class
  30. quadratic
    of or relating to the second power
  31. quadratic equation
    an equation in which the highest power of an unknown quantity is a square
  32. quantification
    the act of discovering or expressing the quantity of something
  33. quantitative
    expressible as an amount that can be measured
  34. quantitatively
    in a quantitative manner
  35. quotient
    the number obtained by division
  36. radical
    a quantity expressed as the root of another quantity
  37. rational
    capable of being expressed as a quotient of integers
  38. rational number
    an integer or the quotient of two integers
  39. real number
    any rational or irrational number
  40. scalar
    of or relating to a directionless magnitude (such as mass or speed etc.) that is completely specified by its magnitude
  41. square matrix
    a matrix with the same number of rows and columns
  42. square root
    a number that when multiplied by itself equals a given number
  43. terminal point
    final or latest limiting point
  44. tip
    the extreme end of something, especially something pointed
  45. transformation
    a change in the position of a figure on a coordinate plane
  46. unit
    a division accepted as a standard of measurement or exchange
  47. vector
    a quantity that has magnitude and direction
  48. velocity
    distance traveled per unit time in one direction
Created on Tue Feb 07 11:27:46 EST 2017 (updated Wed Mar 29 15:52:02 EDT 2017)

Sign up now (it’s free!)

Whether you’re a teacher or a learner, Vocabulary.com can put you or your class on the path to systematic vocabulary improvement.