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D11 7th Grade Math Academic Word List 33 words

January 29, 2010 By Janie P.

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Definitions Notes & Examples Words Only
  1. absolute value
    a real number regardless of its sign
  2. base
    lowest support of a structure
  3. tendency
    an inclination to do something
  4. circumference
    the length of the closed curve of a circle
  5. coordinate
    of equal importance, rank, or degree
  6. cylinder
    a surface generated by rotating a parallel line around a fixed line
  7. dependent variable
    (statistics) a variable in a logical or mathematical expression whose value depends on the independent variable
  8. diameter
    the length of a straight line passing through the center of a circle and connecting two points on the circumference
  9. distributive
    serving to distribute or allot or disperse
  10. equivalent
    being essentially equal to something
  11. height
    the vertical dimension of extension; distance from the base of something to the top
  12. independent
    free from external control and constraint
  13. variable
    something that is likely to vary; something that is subject to variation
  14. parallel
    being everywhere equidistant and not intersecting
  15. perpendicular
    intersecting at or forming right angles
  16. polygon
    a closed plane figure bounded by straight sides
  17. prism
    a polyhedron with two congruent and parallel faces (the bases) and whose lateral faces are parallelograms
  18. pyramid
    a polyhedron having a polygonal base and triangular sides with a common vertex
  19. quadrant
    any of the four areas into which a plane is divided by two orthogonal coordinate axes
  20. radius
    a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)
  21. ratio
    the relation between things (or parts of things) with respect to their comparative quantity, magnitude, or degree
  22. rectangular
    having four right angles
  23. reflection
    the phenomenon of a propagating wave (light or sound) being thrown back from a surface
  24. rotation
    the act of rotating as if on an axis
  25. scale
    an ordered reference standard
  26. surface
    the outer boundary of an artifact or a material layer constituting or resembling such a boundary
  27. area
    the extent of a 2-dimensional surface enclosed within a boundary
  28. symmetry
    balance among the parts of something
  29. translation
    a written communication in a second language having the same meaning as the written communication in a first language
  30. transversal
    extending or lying across; in a crosswise direction; at right angles to the long axis
  31. unit
    a single undivided whole
  32. rate
    a quantity or amount or measure considered as a proportion of another quantity or amount or measure
  33. volume
    the property of something that is great in magnitude