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math gr 7 academic vocab 35 words

December 31, 2009 By leslie W.

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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. circumference
    the length of the closed curve of a circle
  4. cylinder
    a surface generated by rotating a parallel line around a fixed line
  5. dependent variable
    (statistics) a variable in a logical or mathematical expression whose value depends on the independent variable
  6. diameter
    the length of a straight line passing through the center of a circle and connecting two points on the circumference
  7. height
    the vertical dimension of extension; distance from the base of something to the top
  8. independent variable
    (statistics) a variable whose values are independent of changes in the values of other variables
  9. parallel
    being everywhere equidistant and not intersecting
  10. perpendicular
    intersecting at or forming right angles
  11. polygon
    a closed plane figure bounded by straight sides
  12. prism
    a polyhedron with two congruent and parallel faces (the bases) and whose lateral faces are parallelograms
  13. pyramid
    a polyhedron having a polygonal base and triangular sides with a common vertex
  14. quadrant
    any of the four areas into which a plane is divided by two orthogonal coordinate axes
  15. radius
    a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)
  16. ratio
    the relation between things (or parts of things) with respect to their comparative quantity, magnitude, or degree
  17. reflection
    the phenomenon of a propagating wave (light or sound) being thrown back from a surface
  18. rotation
    the act of rotating as if on an axis
  19. scale
    an ordered reference standard
  20. surface area
    the extent of a 2-dimensional surface enclosed within a boundary
  21. symmetry
    balance among the parts of something
  22. translation
    a written communication in a second language having the same meaning as the written communication in a first language
  23. transversal
    extending or lying across; in a crosswise direction; at right angles to the long axis
  24. volume
    the property of something that is great in magnitude
  25. equivalent
    being essentially equal to something
  26. representation
    the act of representing; standing in for someone or some group and speaking with authority in their behalf
  27. rectangular
    having four right angles
  28. unit
    a single undivided whole
  29. rate
    a quantity or amount or measure considered as a proportion of another quantity or amount or measure
  30. central
    in or near a center or constituting a center; the inner area
  31. tendency
    an inclination to do something
  32. coordinate
    of equal importance, rank, or degree
  33. plane
    (mathematics) an unbounded two-dimensional shape
  34. distributive
    serving to distribute or allot or disperse
  35. property
    something owned; any tangible or intangible possession that is owned by someone