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

Links verified on 7/14/2014

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

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