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Math Symmetry
SymmetryHere are several websites where kids can learn about symmetry interactively. They include line symmetry, rotational symmetry, reflection, and congruency. There are also detailed instructions for activities kids can do to practice using symmetry, such as origami and snowflake construction.
January 26, 2010 Hits: 48
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BBC Bitesize Symmetry offers lessons, examples and practice for elementary age children in reflection and rotational symmetry.
November 23, 2009 Hits: 72
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Here is a review (revision), activity and test on the concepts of line symmetry, regular polygons and rotational symmetry. The activity interactive includes options for sound and subtitles.
January 26, 2010 Hits: 11
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From site: You will use a line of symmetry to bisect plane figures. You will discover that a line of symmetry has many important properties.
January 26, 2010 Hits: 9
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Students can increase their understanding of reflective, inverse and rotational symmetry by using the Drawing with Symmetry applet to draw using an X / Y axis plane.
January 26, 2010 Hits: 22
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From site: Symmetry is one of the most important ideas in mathematics. There can be symmetry in an algebraic calculation, in a proof, or in a geometric design. It's such a powerful idea that when it's used in solving a problem, we say that we exploit the symmetry of the situation. In this session, you will explore geometric versions of symmetry by creating designs and examining their properties.
March 04, 2010 Hits: 4
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From site: This site is designed for students and teachers interested in exploring symmetry (grades 7-12). It contains lesson plans, definitions, examples, activities, and links to other web sites. There are also some extension activities for those who would like a little challenge.
April 06, 2008 Hits: 114
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Pick a color, pick a pattern, and draw your own symmetrical pattern.
January 14, 2009 Hits: 231
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This is an introduction to line symmetry. It makes extensive use of graphics and pictures to illustrate the concepts. The concepts include lines of symmetry and reflection, congruency, horizontal line, diagonal line, and vertical line symmetry.
October 15, 2009 Hits: 17
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From site: On this site, we offer general and specific strategies for using activities based on origami to invoke mathematical thinking. Origami refers to the Japanese art of paper folding. Background is given on origami, including the development and critical aspects of the practice of origami in the United States. Next, we indicate how origami can relate to the current goals of K-12 mathematical education. General strategies are described that can be applied to any origami model. The basic strategy is for students to do the teaching. Then we describe in detail a variety of models. The examples include a variety of different computer-based techniques that students and hobbyists at all levels can use.
October 15, 2009 Hits: 131
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Polar Origami offers a series of 2-5 minute videos showing how to fold a variety of origami creatures. The instructor tells a story that accompanies each creature while he is making it.
January 26, 2010 Hits: 31
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This is a brief narrative demonstration of line symmetry and questions asking students to identify lines of symmetry in a few figures.
January 26, 2010 Hits: 18
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From site: This website is about symmetry. It has a couple of exercises for learning about reflective and rotational symmetry, and some examples to practise identifying symmetry. It also lets you design symmetrical picture online. It uses JavaScript to do this. This means that your finished symmetrical picture is not a conventional picture, so you can't save or print it in the normal way.
November 30, 2008 Hits: 68
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There are explanations of reflective and rotational symmetry, activities for practice identifying symmetry and activities for children to make their own symmetrical objects, including snowflakes. For teachers, there is advice on using the exercises, and tips on downloading and printing the children's creations.
January 26, 2010 Hits: 6
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From site: ORIENTAL CARPETS have long been appreciated for their beauty. That beauty is achieved through the choice of colors and designs, as well as by the manipulation of designs and colors to form pleasing patterns.
April 06, 2008 Hits: 78
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The author of "Investigating Patterns: Symmetry and Tessellations" offers dozens of activities in learning symmetry that correspond to her book. Some of the areas explored are symmetry in the alphabet, inversions, faces, flags, quilts, rotation symmetry in hubcaps, tangrams, geometry and kirigami, shmuzzle puzzles and, of course, tessellations. Try Activity 2, Photo Activity for Symmetry (in faces) -- what fun!
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LearningReviews.com is a directory of mostly free interactive K-12 educational resources for parents, teachers and students. Fee-based resources included here are award-winning or highly rated by education and parent organizations. |
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