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Unit 3Similar Triangles Including TestsMath Open RefThis site lets you manipulate similar triangles to explore thier relationships. Similar TrianglesNutshell MathThis video lesson shows how to prove triangles are similar by proving congruence of angles and how to use proportional reasoning to find the length of a missing side. Geometry Review JeopardyLexington Public SchoolsThis is a great game to play for a review of previously learned concepts. Interior AnglesCool Math 4 KidsThis site has a good explanation of how to find the sum of the interior angles of any polygon using diagonals and the measure of the interior angles of a triangle. Constructing Congruent TrianglesGet extra practcice constructing congruent triangles. Similar FiguresAnother site that lets you explore similar figures, then try them on your own. Various Geometry SitesMath ToolsThis site has links to several of the topice we've worked on in Unit 3. Platonic SolidsNLVMRead the directions on the right. Then find the number of faces, edges, and vertices for each of the solids. Record them on a table in your math journal. 5-1 More Parallel Lines (Found by Sammy)Worsley SchoolGo here for great descriptions and examples. Click the quiz to test your skills. Your score will be emailed back to you within 2-3 days (Sammy's came back!) Geometry Review SiteAAA MathScroll down to find lessons on classifying triangles by sides and angles, coplementary and supplementary angles, and many other topics. Interior Angles of a PolygonFree Math HelpThis site has more description of how to find the interior angles of any given polygon. Protractor and Angle ReviewAmblesideThis is a great site if you have gotten rusty about how to use a protractor. 5-1 Parallel LinesShodor InteractivePractice angle names and finding alternate interor/exterior angles. Constructing Parallel Lines (Another Ben Z site)Math Open ReferenceThis is another animated example of how to use a compass and straight edge to make a construction. Dividing Fractions by Fractions Review (found by John B.)AAA MathA great site for review and practice. *Challenge* Esterior Angles of a PolygonFree Math HelpYou'll see this skill in the challenge section. Complementary and Supplementary Angles (found by John B.)AAA MathScroll down to find lessons on complementary and supplementary angles as well as lots of good review on other geometry topics. Finging Interior Angle Measures of PolygonsCool Math 4 KidsThis site gives discriptions and illustrations of several ways to determine the interior angle measure for any polygon. Protractor PracticeAmblesideThis is one of the best online protractor sites I've seen. Great practice! Similar Figures With PracticeRead the instructions and examples, then try it on your own. 5-1 Parallel Lines (Found by Ben Z.)Regents PrepBox #1 has problems you can practice with to be sure you're familiar with the terms you'll need for your test. The rest of the problems have great challenge problems for finding angle measures. 5-5 Proving Congruency of Triangles VideoFree Math HelpUnder Videos, scroll down to Congruent Triangles (proving), and watch to find out how to write a congruency statement. 5-5 Congruent Triangles SSS, SAS, ASANational Library of Virtual ManipulativesConstruct contruent triangles. Be sure to click the buttons at the bottom to get practice with all three ways. Great Geometry SitesFree Math HelpThis site has links to a variety of sites which will help you with this unit. 5-1 Parallel Lines Cut by Transversals Movie (found by Ben Z)Free Math HelpScroll down to find the movie. Euclidian Geometry VideounitedstreamingIf you're curious about how the geometric constructions we're doing in class apply to the real world, this video has some great examples. Constructiong Geometric ShapesMath Open RefThis site has movies about how to draw all sorts of geometric shapes with the help of a compass. For your assessment, you'll need to be able to copy line segments, angles, triangles, construct parallel lines, and angle bisectors, and bisectors of line segments. Contstructing squares will be a challenge. More geometry SitesMathsnetInternal Polygon AnglesMath is FunLearn the names and properties of various polygons as well as the formula for calculating the sum of the measure of internal angles. Free Math HelpProving Parallel LinesThis site gives examples of how you can prove that two lines are parallel. You'll have a question about this on your test! 5-1 Parallel Lines Cut by Transversals (Found by Ben Z.)MathStuffThis is a great site to study lesson 5-1. It gives great examples and explanations of all of the new vocabulary that we're learning about. Constructing Triangles With Given Measures (A Sebastian P. find)One WebThis will give you extra practice in constructing congruent triangles. Faces of a CubeDetermine which colors will be on opposite faces of a cube when the net is folded. |
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