Geometry for Elementary School

Table of contents

• Introduction
• Concepts
  • Points
  • Lines
  • Angles
  • Plane shapes
  • Solids
  • Measurements
  • Parallel lines
  • Symmetry
  • Transformation
  • Coordinates
• Construction
  • Our tools: Ruler and compasses
  • Constructing equilateral triangle
  • Copying a line segment
  • Copying a triangle
  • Copying an angle
  • Constructing a triangle
  • Why the constructions are not correct?
  • Bisecting an angle
  • Bisecting a segment
• Congruence and similarity
  • Congruence
  • The Side-Side-Side congruence theorem
  • The Side-Angle-Side congruence theorem
  • The Angle-Side-Angle congruence theorem
  • The Side-Angle-Angle congruence theorem
  • The Right angle-Hypotenuse-Side congruence theorem
  • Corresponding Parts of Congruent Triangles are Congruent (CPCTC)
  • Similarity
• Extras
  • Some impossible constructions
  • Pythagorean theorem
  • A proof of irrationality
  • Fractals
• What next?
• Glossary
• Conventions

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Further Reading

• Geometry