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## Verify the basic properties of triangles and quadrilaterals using a protractor and ruler. 0606.4.3

1. Angle Activities - interactive lesson using a virtual protractor 2. Creating Congruent Triangles - materials needed: rulers and protractors 3. Drawing Angles less than 180� with a Protractor - explanation followed by four multi-part assignments
4. Measuring Angles - Practice lining up and reading a protractor while you measure a set of angles in a fun learning activity or 5. Measuring Angles - use a virtual protractor 6. Measuring Angles - [designed for 7th grade] quiz with virtual protractor 7. Measuring Lengths and Angles - interactive lessons on measuring with a ruler and with a protractor or 8. National Library of Virtual Manipulatives
1. Number and Operations [Grades 6-8] 2. Algebra [Grades 6-8] 3. Geometry [Grades 6-8] 4. Measurement [Grades 6-8] 5. Data Analysis and Probability [Grades 6-8] 9. Polygons - Properties of polygons, interior angles of polygons including triangles, quadrilaterals, pentagons, hexagons, heptagons, octagons, nonagons, decagons, 11-gons, dodecagons
10. Printable rulers (inch and centimeter) and protractor -  11. Properties of Quadrilaterals - explanation, diagrams, and proofs  12. Properties of Triangles & Quadrilaterals - After studying this section, students will be able to: use the angle sum of a triangle and a quadrilateral, and identify quadrilaterals by their geometric properties.
13. Properties of Triangles and Quadrilaterals - 80-page document from Glencoe with lost of diagrams and practice exercises; includes instruction on using a protractor
14. Triangles and Quadrilaterals - seven-page pdf document with explanation and practice exercises  15. Triangles and Quadrilaterals - In this session, students will build triangles and quadrilaterals to explore their properties. [produced by the Annenberg Foundation]
16. Using a Protractor - Have a look at this animation to see how to make a neat angle using a protractor and ruler. Ten practice questions are at the bottom of the page. 17. Virtual Protractor - ten online activities investigating angles or 18. What's My Angle - investigating angles and the use of protractors  site for teachers | PowerPoint show | Acrobat document | Word document | whiteboard resource | sound | video format | interactive lesson | a quiz | lesson plan | to print Internet4classrooms is a collaborative effort by Susan Brooks and Bill Byles. 