{"id":1371,"date":"2002-01-23T21:32:23","date_gmt":"2002-01-23T21:32:23","guid":{"rendered":"http:\/\/www.surfnetkids.com\/go\/newsletters\/1371\/2002-01-23\/"},"modified":"2002-01-23T21:32:23","modified_gmt":"2002-01-23T21:32:23","slug":"surfing_the_net_with_kids_tess","status":"publish","type":"post","link":"https:\/\/www.surfnetkids.com\/newsletters\/2002-01-23\/1371\/","title":{"rendered":"Surfing the Net with Kids: Tessellations"},"content":{"rendered":"Surfing the Net with Kids: Tessellations<\/TITLE><\/p>\n<p>Instructions on changing your email address or canceling this newsletter can be found<br \/>\nat the bottom of this message.<br \/>\n<br \/>\n<TABLE BORDER=\"0\" CELLPADDING=\"0\" CELLSPACING=\"0\" ALIGN=\"center\" WIDTH=\"85%\"><TR><TD BGCOLOR=\"#33FF99\" ALIGN=\"left\"><br \/>\n<A HREF=\"https:\/\/www.surfnetkids.com\"><IMG SRC=\"https:\/\/www.surfnetkids.com\/images\/surfsquare.gif\" BORDER=\"0\" WIDTH=\"86\" HEIGHT=\"90\" ALT=\"Surfing the Net with Kids\"><\/A><br \/>\n<\/TD><TD BGCOLOR=\"#33FF99\" ALIGN=\"right\" VALIGN=\"middle\"><br \/>\n<A HREF=\"https:\/\/zoobooks.publishersites.com\/information\/subscriptions\/affiliates3\/default.asp?affiliateID=WA241\" TARGET=\"_top\"><br \/>\n<IMG SRC=\"https:\/\/www.surfnetkids.com\/centralad\/horse_zebra_468x60v2\n.gif\" BORDER=\"0\" WIDTH=\"468\" HEIGHT=\"60\"><\/A> <\/TD><\/TR><\/TABLE><br \/>\n<\/TD><\/TR><\/TABLE><br \/>\n<TABLE BORDER=\"0\" CELLPADDING=\"0\" CELLSPACING=\"0\" ALIGN=\"center\" WIDTH=\"85%\"><TR><TD BGCOLOR=\"#0000FF\" ALIGN=\"LEFT\" VALIGN=\"top\"><br \/>\n<A HREF=\"https:\/\/www.surfnetkids.com\"><IMG SRC=\"https:\/\/www.surfnetkids.com\/images\/byline.gif\" BORDER=\"0\" WIDTH=\"354\" HEIGHT=\"28\"><\/A><br \/>\n<\/TD><TD BGCOLOR=\"#0000FF\" ALIGN=\"right\"><br \/>\n<FORM ACTION=\"https:\/\/www.surfnetkids.com\/cgi-local\/redirpl.cgi\" METHOD=\"POST\"><\/p>\n<p>..Click Here for Menu..<br \/>\n~~ Home ~~<br \/>\nGames<br \/>\nCalendarFactoidDiscussion Forum<br \/>\nSubscribe\/Cancel<br \/>\nSuggest a Site<br \/>\n~~ Search this Site ~~<br \/>\nAd Rates<br \/>\nWrite Me<br \/>\n<\/TD><\/TR><\/TABLE><\/p>\n<table width=\"75%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\" align=\"center\">\n<tr>\n<td valign=\"top\">\n<img decoding=\"async\" src=\"https:\/\/www.surfnetkids.com\/images\/bubble.gif\" hspace=\"0\" vspace=\"0\" border=\"0\" width=\"490\" height=\"23\"><\/td>\n<\/tr>\n<\/table>\n<\/form>\n<\/form>\n<p><TABLE BORDER=\"0\" WIDTH=\"75%\" CELLPADDING=\"0\" CELLSPACING=\"0\" ALIGN=\"center\"><TR><TD><\/p>\n<table align=\"CENTER\">\n<tr>\n<td><!-- pix --><P><br \/>\n<IMG SRC=\"https:\/\/www.surfnetkids.com\/images\/bjf.jpg\" VSPACE=\"6\" HSPACE=\"12\" ALIGN=\"LEFT\" WIDTH=\"80\" HEIGHT=\"101\"><br \/>\nJanuary 23, 2002<BR><BR>Dear Reader,<\/P><\/p>\n<p>The newest Surfnetkids two e-book bundle is “400 Very Funny Jokes:<br \/>\nBy Kids, For Kids” and “59 3\/4 Fabulous Sites for Harry Potter<br \/>\nFans.” <a href=\"https:\/\/www.surfnetkids.com\/cgi-local\/quikstore.cgi?product=2BOOKS&template=product_page\">Buy these two popular e-books together, and save $4.00<br \/>\n<\/a>.<\/p>\n<p>\nToday’s Tessellations topic is accompanied by the following game: <\/p>\n<table align=\"center\">\n<tr>\n<td align=\"right\"><img decoding=\"async\" src=\"https:\/\/www.surfnetkids.com\/images\/tessie2.jpg\" width=\"125\" height=\"125\"><\/td>\n<td align=\"left\">\n<a href=\"https:\/\/www.surfnetkids.com\/games\/tessellations-js.htm\">Tessellation Jigsaw Puzzle<\/a>\n<\/td>\n<td align=\"left\"><\/td>\n<\/tr>\n<\/table>\n<p>Today’s newsletter is made possible by:<\/P><\/p>\n<ul>\n<LI><b>1 in 4 children is exposed to unwanted sexually explicit<br \/>\npictures online<\/b>. Some are harassed or threatened. Only 25%<br \/>\ntell their parents. You CAN let your children surf safely<br \/>\nwhile preventing them from becoming an online statistic<br \/>\nwith <a href=\"http:\/\/www.cyberpatrol.com\/forms\/homedemo_bnnr.asp?banner=49\">Cyber Patrol<\/a>, the world’s most trusted Internet filtering<br \/>\nsoftware. You decide what they can or cannot see! Don’t delay,<br \/>\nprotecting your kids is too important to put off!<br \/>\n<a href=\"http:\/\/www.cyberpatrol.com\/forms\/homedemo_bnnr.asp?banner=49\">Try it for free!<\/a><\/p>\n<li><b>2001 Surfnetkids Newsletter Archive is Now Shipping<\/b><br \/>\nIf you enjoy the Surfnetkids newsletter in your email box,<br \/>\nbut wish there was a simple way to search past issues, help<br \/>\nis here. The “<a href=\"https:\/\/www.surfnetkids.com\/cgi-local\/pl\/pl.cgi?na\">2001 Surfnetkids Newsletter Archive<\/a>” makes<br \/>\nsearching and printing a breeze. Available as a download or<br \/>\non a CD-ROM. <a href=\"https:\/\/www.surfnetkids.com\/cgi-local\/pl\/pl.cgi?na\">Order the CD-ROM version<\/a> and get a FREE BONUS:<br \/>\n“400 Very Funny Jokes: By Kids, For Kids”<br \/>\n\n<\/li>\n<\/ul>\n<p><BR><a href=\"https:\/\/www.surfnetkids.com\/tessellations.htm\"><H2>Tessellations<\/h2>\n<p>https:\/\/www.surfnetkids.com\/tessellations.htm<\/a><\/p>\n<p><b><a href=\"https:\/\/www.surfnetkids.com\/pdf-store.htm\">Purchase a printable handout for just $1.00<\/a><\/b><br \/>\n<P>Mathematicians define “tessellate” as covering a plane with a pattern, and it is a concept that interests scientists and artists, as well as mathematicians. Join me for a fun tour. <\/P><br \/>\n<A HREF=\"http:\/\/members.aol.com\/tessellations\/\"><\/p>\n<h2>Intriguing Tessellations<\/h2>\n<p>http:\/\/members.aol.com\/tessellations\/<br \/>\n<\/A><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.surfnetkids.com\/images\/star5.gif\" alt=\"*****\" width=\"250\" height=\"34\"><br \/>\n<P>Curiosity spurred nature artist Marjorie Rice (with no formal training beyond high school mathematics) to discover four new tessellating pentagons in the late 1970’s. Including those Rice discovered, only fourteen tessellating pentagons have been uncovered, and the question of whether or not there are more remains unsolved. To learn about Rice’s discovery, follow the link to “Perplexing Pentagons.” Links to Rice’s amazing tessellating art (based on the patterns she created) are found below each pentagon design.<\/P><br \/>\n<A HREF=\"http:\/\/www18.big.or.jp\/~mnaka\/home.index.html\"><\/p>\n<h2>Tessellating Animation<\/h2>\n<p>http:\/\/www18.big.or.jp\/~mnaka\/home.index.html<\/A><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.surfnetkids.com\/images\/star5.gif\" alt=\"*****\" width=\"250\" height=\"34\"><br \/>\n<P>Japanese artist Makoto Nakamura has taken tessellations a step beyond the plane with his awesome animations. See his tessellated birds fly, his tessellated fish swim, and his tessellated dancers dance. Next, for the do-not-miss-it click of the day, visit Nakamura’s Jigsaw Puzzles (look for the link at the bottom of the page.) Here you will have a chance to reassemble tessellated cats, pigeons, gorillas and more. Each interactive puzzle is unique and intriguing in its own way. I guarantee everyone in your family or classroom be clamoring for a turn. Having trouble? Try clicking the pieces to rotate them. <\/P><br \/>\n<A HREF=\"http:\/\/www.boxermath.com\/plp\/modules\/online\/workshop\/toolbox\/mosaictool.html\"><\/p>\n<h2>Tessellation Tool<\/h2>\n<p>http:\/\/www.boxermath.com\/plp\/modules\/online\/workshop\/toolbox\/mosaictool.html<\/A><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.surfnetkids.com\/images\/star4.gif\" alt=\"****\" width=\"201\" height=\"32\"><br \/>\n<P>If all this tessellated art has you eager to create your own patterns, take a look at this cool tool. Start by dragging a shape onto the white board. Next, you rotate or color your shape, and repeat as needed. All of the polygons have sides of equal length, so they fit together perfectly. Two more sites with interactive design tools are Pattern Blocks (http:\/\/www.arcytech.org\/java\/patterns\/patterns_j.shtml) and Virtual Manipulatives (http:\/\/matti.usu.edu\/nlvm\/enu\/navd\/frames_asid_169_g_1_t_2.html).<\/P><br \/>\n<A HREF=\"http:\/\/library.thinkquest.org\/16661\/\"><\/p>\n<h2>Totally Tessellated<\/h2>\n<p>http:\/\/library.thinkquest.org\/16661\/<\/A><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.surfnetkids.com\/images\/star5.gif\" alt=\"*****\" width=\"250\" height=\"34\"><br \/>\n<P>Don’t skip over this opening splash screen too quickly. Take a few moments to scroll through the image gallery by clicking on the tiny Load New Images link. Wasn’t that worth it? Totally Tessellated was a first place winner in the 1998 ThinkQuest challenge, created by a team of three high school seniors. It is my pick of the day because of the breadth and excellence of its coverage. It also is the only one of today’s sites that has a section on M.C. Escher, the Dutch artist and father of modern-day tessellations. <\/P><br \/>\n<A HREF=\"http:\/\/mathforum.org\/sum95\/suzanne\/whattess.html\"><\/p>\n<h2>What is a Tessellation?<\/h2>\n<p>http:\/\/mathforum.org\/sum95\/suzanne\/whattess.html <\/A><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.surfnetkids.com\/images\/star4.gif\" alt=\"****\" width=\"201\" height=\"32\"><br \/>\n<P>This Math Forum page is a great introduction to tessellations for those who know some geometry. It defines regular tessellations (those made up of polygons whose sides are of equal length), and shows how the interior angles of a regular tessellation must be an exact divisor of 360 degrees. Included are links to a lesson plan (for teachers and homeschoolers) and additional activity pages for students. You can experiment with shapes from this (or any other site) by copying them (use a right mouse click) to a paint program. Within the paint program, you can rotate and paste the shapes into tessellations of your own.<\/P><br \/>\n<TABLE BORDER=\"0\" CELLPADDING=\"8\" CELLSPACING=\"8\" ALIGN=\"center\"><TR><br \/>\n<TD valign=\"top\"><br \/>\n<B>Surfing the Calendar<\/B><BR><br \/>\n<A HREF=\"https:\/\/www.surfnetkids.com\/goldrush.htm\">California Gold Rush<\/A><br \/>Jan 24, 1848<br \/>\n<A HREF=\"https:\/\/www.surfnetkids.com\/australia.htm\">Australia Day<\/A><br \/>Jan 26, 2002<br \/>\n<A HREF=\"https:\/\/www.surfnetkids.com\/mozart.htm\">Mozart’s Birthday<\/A><br \/>Jan 27, 1756<br \/>\n<A HREF=\"https:\/\/www.surfnetkids.com\/riddles.htm\">National Puzzle Day<\/A><br \/>Jan 29, 2002<br \/>\n<BR><a href=\"https:\/\/www.surfnetkids.com\/surfcalendar.htm\"><FONT COLOR=\"Red\">More Calendar<\/FONT><\/A><BR>\n<\/td>\n<p><TD align=\"center\" VALIGN=\"top\"><br \/>\n<H4>Related Book<BR>(in association with Amazon.com)<\/H4><A HREF=\"http:\/\/www.amazon.com\/exec\/obidos\/ASIN\/0769000835\/surfinthenetwith\"><IMG SRC=\"http:\/\/images.amazon.com\/images\/P\/0769000835.01.MZZZZZZZ.jpg\" ALT=\"Symmetry and Tessellations (Investigating Patterns, Grades 5-8)\" ALIGN=\"MIDDLE\" BORDER=\"0\" WIDTH=\"103\" HEIGHT=\"140\"><\/A><br \/>\n<\/td>\n<\/tr>\n<\/table>\n<table width=\"75%\" border=\"0\" cellspacing=\"0\" cellpadding=\"10\" align=\"CENTER\">\n<tr>\n<th bgcolor=\"#CCFFCC\">\n———————————–<br \/>\n<br \/><b>Surfnetkids Classified Ads<\/b><br \/>\n———————————–<br \/>\n<\/th>\n<\/tr>\n<p><TR><TD BGCOLOR=\"#CCFFCC\" ALIGN=\"left\"><br \/>\nTeaching your child to read? <a href=\"http:\/\/www.readinglesson.com\">Try this great site<\/a> for lots of free downloads and online movies. <\/p>\n<p>Librarians and teachers: <a href=\"http:\/\/www.powertoparents.org\">learn and EARN<\/a> on your next vacation.<\/p>\n<p>FREE Elephants book and tiger poster with a 1-year trial<br \/>\nsubscription to <a href=\"https:\/\/www.surfnetkids.com\/cgi-local\/pl\/pl.cgi?zb\">Zoobooks<\/a>.<\/p>\n<p>Discover why 93% of parents who’ve tried it say <a href=\"http:\/\/quinst.com\/clk\/erendubeigsolfstaus\">Hooked on<br \/>\nPhonics<\/a> works!<\/p>\n<p>Build your in-house mailing list for just pennies per new subscriber<br \/>\nwith Surfnetkids. Send any email message to: <a href=\"mailto:coreg@surfnetkids.com\">coreg@surfnetkids.com<\/a><\/p>\n<p><a href=\"https:\/\/www.surfnetkids.com\/classified.htm\">Surfnetkids Classified Ads<\/a> are just $40 each to reach more than<br \/>\n146,000 loyal readers. <\/p>\n<p><\/TD><\/TR><\/TABLE><br \/>\n<TABLE BORDER=\"0\" CELLPADDING=\"8\" CELLSPACING=\"8\" ALIGN=\"center\"><br \/>\n<TR><br \/>\n<TD><\/p>\n<ul>\n<li>You<br \/>\nare currently subscribed as<\/p>\n<li>You can unsubscribe by <A HREF=\"\">sending an email<\/A>.\n<li>Subscribe to this free HTML newsletter <A HREF=\"https:\/\/www.surfnetkids.com\/emailedition.htm\">via email<\/A>.\n<li>Existing subscribers can change their email address <a href=\"https:\/\/www.surfnetkids.com\/changeaddress.htm\">here<\/a>.\n<li> More on the two versions of this list is <a href=\"https:\/\/www.surfnetkids.com\/emailedition.htm\">found here<\/a>.<\/ul>\n<p><ADDRESS>Copyright © 2002 Barbara J. 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