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Line

Explore Line on MathWorld


A line is the infinite extension in both directions of a line segment, giving the path of shortest distance between two points in Euclidean space.

Line is an elementary-school-level concept. It is listed in the California State Standards for Grade 4.


Classroom Articles on Pre-Algebra (Up to Elementary-School Level)

  • Associative
  • Integer
  • Cartesian Coordinates
  • Power
  • Commutative
  • Prime Factor
  • Decimal Expansion
  • Prime Factorization
  • Distributive
  • Prime Number
  • Equal
  • Quotient
  • Fraction
  • Right Angle
  • Function Graph
  • Rounding