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@This document (3.3 Summary: Defining Special Quadrilaterals) is re-created by black-butterfly-cc on 17 May 2017
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    "content": "<div id=\"scstyle\">\r\n<style scoped=\"\" type=\"text/css\">@@import \"/static/ndf/css/clix-activity-styles.css\";\r\n@@import \"/static/ndf/css/rubik-font.css\";\r\n@@import \"/static/ndf/css/sgc-toc.css\";\r\n@@import \"/static/ndf/css/video-js.css\";\r\n@@import \"/static/ndf/css/videojs-skin-color\";\r\n</style>\r\n<script src=\"/static/ndf/js/jquery-3.0.0.min.js\" type=\"text/javascript\"></script><script src=\"/static/ndf/js/Video.js\" type=\"text/javascript\"></script><script src=\"/static/ndf/js/photo-zoom.js\" type=\"text/javascript\"></script>\r\n<div class=\"row\">\r\n<header class=\"medium-10 columns\"><small>geometric reasoning</small>\r\n<h1 title=\"SingleImage\">Summary: Defining Special Quadrilaterals</h1>\r\n\r\n<hr /></header>\r\n\r\n<main class=\"medium-8 large-centered columns\" style=\"float: left;\">\r\n<p class=\"sigil_not_in_toc\"><strong><span style=\"font-size:14px;\">Lesson Summary</span></strong></p>\r\n\r\n<hr />\r\n<ul>\r\n\t<li style=\"box-sizing: border-box; margin: 0.5em 1.1em 0px; padding: 0px; border: 0px; outline: 0px; font-size: 0.875em; vertical-align: baseline; background: transparent; font-family: open_sansregular; line-height: 1.35; color: rgb(0, 0, 0); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;\">\r\n\t<p><big>Definitions evolve from common properties of classes of shapes.</big></p>\r\n\t</li>\r\n\t<li style=\"box-sizing: border-box; margin: 0.5em 1.1em 0px; padding: 0px; border: 0px; outline: 0px; font-size: 0.875em; vertical-align: baseline; background: transparent; font-family: open_sansregular; line-height: 1.35; color: rgb(0, 0, 0); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;\">\r\n\t<p><big>Definitions are needed in order to have a shared understanding of classes of shapes, and be able to reason together about these shape classes.</big></p>\r\n\t</li>\r\n\t<li style=\"box-sizing: border-box; margin: 0.5em 1.1em 0px; padding: 0px; border: 0px; outline: 0px; font-size: 0.875em; vertical-align: baseline; background: transparent; font-family: open_sansregular; line-height: 1.35; color: rgb(0, 0, 0); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;\">\r\n\t<p><big>We evolve shared (working) definitions of squares, rectangles, parallelograms and rhombuses to use in class. For example: A square could be defined as a quadrilateral with all sides equal and all angles as right angles. A rhombus could be defined as a quadrilateral with all sides equal.</big></p>\r\n\t</li>\r\n\t<li style=\"box-sizing: border-box; margin: 0.5em 1.1em 0px; padding: 0px; border: 0px; outline: 0px; font-size: 0.875em; vertical-align: baseline; background: transparent; font-family: open_sansregular; line-height: 1.35; color: rgb(0, 0, 0); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;\">\r\n\t<p><big>Definitions evolve from common properties of classes of shapes.</big></p>\r\n\t</li>\r\n</ul>\r\n\r\n<div style=\"box-sizing: border-box; margin: 5px 0px 10px; padding: 0px; border: 0px none; outline: currentcolor none 0px; font-size: 0.875em; vertical-align: baseline; background: none 0% 0% repeat scroll transparent; font-family: open_sansregular; line-height: 1.4; color: rgb(0, 0, 0); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;\"><span style=\"font-size:12px;\">(You don\u2019t need to use these definitions - you can evolve your own definitions that you and your class agree upon.)</span></div>\r\n</main>\r\n</div>\r\n</div>\r\n",
    "content_org": "<div id=\"scstyle\">\r\n<style scoped=\"\" type=\"text/css\">@@import \"/static/ndf/css/clix-activity-styles.css\";\r\n@@import \"/static/ndf/css/rubik-font.css\";\r\n@@import \"/static/ndf/css/sgc-toc.css\";\r\n@@import \"/static/ndf/css/video-js.css\";\r\n@@import \"/static/ndf/css/videojs-skin-color\";\r\n</style>\r\n<script src=\"/static/ndf/js/jquery-3.0.0.min.js\" type=\"text/javascript\"></script><script src=\"/static/ndf/js/Video.js\" type=\"text/javascript\"></script><script src=\"/static/ndf/js/photo-zoom.js\" type=\"text/javascript\"></script>\r\n<div class=\"row\">\r\n<header class=\"medium-10 columns\"><small>geometric reasoning</small>\r\n<h1 title=\"SingleImage\">Defining Special Quadrilaterals</h1>\r\n\r\n<hr /></header>\r\n\r\n<main class=\"medium-8 large-centered columns\" style=\"float: left;\">\r\n<h2 class=\"sigil_not_in_toc\">Task no. 1</h2>\r\n\r\n<hr />\r\n<h3 style=\"box-sizing: border-box; margin: 20px 0px 5px; padding: 0px; border: 0px; outline: 0px; font-size: 1.25em; vertical-align: baseline; background: transparent; font-family: open_sanslight; font-weight: normal; color: var(--greyish-brown); line-height: 1.3; letter-spacing: -0.2px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;\">Lesson Summary</h3>\r\n\r\n<ul>\r\n\t<li style=\"box-sizing: border-box; margin: 0.5em 1.1em 0px; padding: 0px; border: 0px; outline: 0px; font-size: 0.875em; vertical-align: baseline; background: transparent; font-family: open_sansregular; line-height: 1.35; color: rgb(0, 0, 0); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;\"><big>Definitions evolve from common properties of classes of shapes.</big></li>\r\n\t<li style=\"box-sizing: border-box; margin: 0.5em 1.1em 0px; padding: 0px; border: 0px; outline: 0px; font-size: 0.875em; vertical-align: baseline; background: transparent; font-family: open_sansregular; line-height: 1.35; color: rgb(0, 0, 0); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;\"><big>Definitions are needed in order to have a shared understanding of classes of shapes, and be able to reason together about these shape classes.</big></li>\r\n\t<li style=\"box-sizing: border-box; margin: 0.5em 1.1em 0px; padding: 0px; border: 0px; outline: 0px; font-size: 0.875em; vertical-align: baseline; background: transparent; font-family: open_sansregular; line-height: 1.35; color: rgb(0, 0, 0); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;\"><big>We evolve shared (working) definitions of squares, rectangles, parallelograms and rhombuses to use in class. For example: A square could be defined as a quadrilateral with all sides equal and all angles as right angles. A rhombus could be defined as a quadrilateral with all sides equal.</big></li>\r\n\t<li style=\"box-sizing: border-box; margin: 0.5em 1.1em 0px; padding: 0px; border: 0px; outline: 0px; font-size: 0.875em; vertical-align: baseline; background: transparent; font-family: open_sansregular; line-height: 1.35; color: rgb(0, 0, 0); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;\"><big>Definitions evolve from common properties of classes of shapes.</big></li>\r\n</ul>\r\n\r\n<p style=\"box-sizing: border-box; margin: 5px 0px 10px; padding: 0px; border: 0px; outline: 0px; font-size: 0.875em; vertical-align: baseline; background: transparent; font-family: open_sansregular; line-height: 1.4; color: rgb(0, 0, 0); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;\">(You don\u2019t need to use these definitions - you can evolve your own definitions that you and your class agree upon.)</p>\r\n</main>\r\n</div>\r\n</div>",
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