Introduction+to+Geometry

UNIT: Introduction to Geometry I. **Learning Objective:** The student will: Identify basic geometric figures. Measure and draw angles using a protractor. Find measures of acute, obtuse, straight, complementary, supplementary, vertical and adjacent angles. Identify perpendicular and parallel lines and calculate the measures of the angles formed when a transversal intersects parallel lines. Identify types of polygons and find the measures of their angles. Classify triangles by their sides and angles and use the triangle inequality rule. Identify special quadrilaterals and apply their properties. Solve problems by identifying a pattern. Recognize and find symmetry in plane figures.

Content: Points, lines, and planes Measuring and drawing angles Types of angles Perpendicular and parallel lines Polygons Triangles Quadrilaterals Symmetry Identifying a pattern Honors: Enrichment/acceleration/higher-level problems Applicable Academic Standards: 2.1.8 A, B, C, D, E, G 2.2.8 B 2.3.8 C, D 2.4.8 B, D 2.5.8 A, B, C, D 2.8.8 A, B, C, D, J

**Geometry Sites**
 * || * [|**Animated Pythagorean Theorem**]
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 * [|**Euclid's Elements Interactive**]
 * [|**The Five Platonic Solids Investigation**]
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 * **Geometry Activities**
 * **The Geometry Center**
 * [|**Java Gallery of Interactive Geometry**]
 * [|**Web Gallery of Interactive Geometry**]
 * [|**Interactive Fractals**]
 * [|**Interactivate Geometry Activities**]
 * [|**Interactive Geometry at Mathsnet**]
 * [|**Interactivate Geometry Lessons**]
 * [|**Janice Steffy's Quilting Investigation**]
 * [|**Patterns,Patterns Everywhere Web Quest**] **s**
 * [|**Reggie Perry's Tile Patterns Problem**]
 * [|**Studyworks - Interactive Geometry**]
 * [|**TI-83 Classroom Activities**]
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 * [|**Geometry 3D Shapes**]
 * [|**Geometry Formulas and Facts**]
 * [|**Geometry in Action**]
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 * [|**Geometry step by step from the land of the Incas**]
 * [|**IFigure**] **- tools to solve geometry problems**
 * [|**Illuminations Geometry Activities**] **- Grades 6-8**
 * [|**Illuminations Geometry Activities**] **- Grades 9-12**
 * [|**M.C. Escher Museum**]
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 * **Patterns and Tessellations**
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 * [|**Smithsonian Quilt Exhibit**]
 * [|**Solve the Puzzle of the Seashell Spiral**]
 * [|**Suzanne Alejandre's Tessellation Site**]
 * [|**Symmetry and Tessellations**]
 * [|**Symmetry Around the World**]
 * [|**Totally Tessellated**]
 * [|**Women and Geometry**] **- Patchwork Quilts**
 * [|**PBS - Teacher Source - Middle School Geometry**]
 * [|**PBS - Teacher Source - High School Geometry**]
 * [|**Polyhedra**]
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 * [|**Saltire's Geometry Gallery**]
 * [|**Spatial Reasoning Using Cubes & Isometric Drawings**]
 * [|**Transformational Geometry**]
 * [|**Tutorials.net**]
 * [|**Virtual Polyhedra**] **- an encyclopedia of polyhedra**
 * [|**Webmath - Geometry**] ||