Key to Geometry, Books 1-8 Set 6 - 8 9781559531016

Key to Geometry introduces students to a wide range of geometric discoveries as they do step-by-step constructions. Using only a pencil, compass, and straightedge, students begin by drawing lines, bisecting angles, and reproducing segments. Later they do sophisticated constructions involving over a dozen steps. When they finish, students will have been introduced to 134 geometric terms and will be ready to tackle formal proofs.


  • Key to Geometry Book 1: Lines and Segments
  • Key to Geometry Book 2: Circles
  • Key to Geometry Book 3: Constructions
  • Key to Geometry Book 4: Perpendiculars
  • Key to Geometry Book 5: Squares and Rectangles
  • Key to Geometry Book 6: Angles
  • Key to Geometry Book 7: Perpendiculars and Parallels, Chords and Tangents, Circles
  • Key to Geometry Book 8: Triangles, Parallel Lines, Similar Polygons
Key to Geometry, Books 1-8 Set

Key to Geometry, Books 1-8 Set

National EDITION
Grade Levels: 6 - 8
MHID: 1559531010 |  ISBN 13: 9781559531016
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