Welcome to CORD Online Resources
For Learning in Context
Learning in Context is an on-line supplement for our math and science textbooks. Each lesson in CORD’s textbooks is supported by a series of links to various websites. These links add new or more in-depth meaning to the lessons taught in the textbook.
You can navigate each book by using the expanding menu at the left or clicking on the chapters below.
Geometry - 3rd Edition
Chapters
1.1 Basic Geometric Figures
Chapter 1: Discovering Geometry
Chapter 2: Reasoning and Proof
Chapter 3: Triangle Theorems
Chapter 4: Similar Triangles
Chapter 5: Right Triangles
Chapter 6: Polygons and Quadrilaterals
Chapter 7: Coordinate Geometry
Chapter 8: Perimeter and Area
Chapter 9: Circles
Chapter 10: Surface Area and Volume
Chapter 11: Transformational Geometry
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Contact Kathy Kral kkral@cord.org to report a website problem or ask a question.