{"id":108,"date":"2021-05-01T06:51:30","date_gmt":"2021-05-01T06:51:30","guid":{"rendered":"https:\/\/goteachthis.com\/?post_type=product&#038;p=108"},"modified":"2021-08-19T19:20:23","modified_gmt":"2021-08-19T09:20:23","slug":"addition-game-subtraction-game-clobber","status":"publish","type":"product","link":"https:\/\/goteachthis.com\/index.php\/product\/addition-game-subtraction-game-clobber\/","title":{"rendered":"Subtraction Game &#038; Addition Game &#8211; Clobber"},"content":{"rendered":"<h1 style=\"text-align: center;\"><span style=\"font-size: 16px; font-family: arial, helvetica, sans-serif; color: #800000;\">Subtraction Game &amp; <\/span><span style=\"font-size: 16px; font-family: arial, helvetica, sans-serif; color: #800000;\">Addition Game<\/span><\/h1>\n<h2 style=\"text-align: center;\"><span style=\"font-size: 16px; font-family: arial, helvetica, sans-serif; color: #3366ff;\">Clobber<\/span><\/h2>\n<div id=\"attachment_2057\" style=\"width: 433px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" aria-describedby=\"caption-attachment-2057\" class=\"size-full wp-image-2057\" src=\"https:\/\/goteachthis.com\/wp-content\/uploads\/2021\/05\/Addition-Game-14.jpg\" alt=\"Addition Game &amp; Subtraction Game - Clobber\" width=\"423\" height=\"300\" srcset=\"https:\/\/goteachthis.com\/wp-content\/uploads\/2021\/05\/Addition-Game-14-200x142.jpg 200w, https:\/\/goteachthis.com\/wp-content\/uploads\/2021\/05\/Addition-Game-14-300x214.jpg 300w, https:\/\/goteachthis.com\/wp-content\/uploads\/2021\/05\/Addition-Game-14-400x284.jpg 400w, https:\/\/goteachthis.com\/wp-content\/uploads\/2021\/05\/Addition-Game-14.jpg 423w\" sizes=\"(max-width: 423px) 100vw, 423px\" \/><p id=\"caption-attachment-2057\" class=\"wp-caption-text\"><span style=\"color: #808080;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 10pt;\">Addition Game &amp; Subtraction Game &#8211; Clobber<\/span><\/strong><\/span><\/p><\/div>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt; font-family: arial, helvetica, sans-serif;\"> <script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<!-- New GTT 1 -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:inline-block;width:336px;height:280px\"\r\n     data-ad-client=\"ca-pub-3782706448212144\"\r\n     data-ad-slot=\"7122541773\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><\/span><\/p>\n<div align=\"center\">\n<p style=\"text-align: left;\"><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\"><span style=\"color: #800000;\"><strong>Addition Game &amp; Subtraction Game &#8211; Clobber<\/strong>\u00a0<\/span>is an abstract strategy game invented\u00a0by mathematicians\u00a0in 2001. The GoTeachThis version will give your students a real mental workout while they practice addition and subtraction facts.\u00a0<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 12pt;\">Clobber has been played as part of the Computer Olympiad since 2005. This renowned competition is an annual worldwide event that pits accomplished players against each other to determine who is the \u201cworld\u2019s best player\u201d.<\/span><\/p>\n<h3 style=\"text-align: left;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 12pt;\"><strong style=\"color: #800000;\">Game in a Nutshell:<\/strong><\/span><\/h3>\n<div id=\"attachment_2058\" style=\"width: 433px\" class=\"wp-caption alignleft\"><img decoding=\"async\" aria-describedby=\"caption-attachment-2058\" class=\"size-full wp-image-2058\" src=\"https:\/\/goteachthis.com\/wp-content\/uploads\/2021\/05\/Subtraction-Game-8.jpg\" alt=\"Subtraction Game - Printer Friendly Version\" width=\"423\" height=\"300\" \/><p id=\"caption-attachment-2058\" class=\"wp-caption-text\"><span style=\"color: #808080;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 10pt;\">Subtraction Game &#8211; Printer Friendly Version<\/span><\/strong><\/span><\/p><\/div>\n<p style=\"text-align: left;\"><span style=\"color: #010101; font-family: arial, helvetica, sans-serif; font-size: 12pt;\">Players use counters to challenge the position of the other player, adding more counters across the board in an attempt to get the most. Once a player has been challenged for a position, they must correctly solve the associated algorithm.<\/span><\/p>\n<\/div>\n<div align=\"center\">\n<h3 style=\"text-align: left;\"><span style=\"font-size: 14px; font-family: arial, helvetica, sans-serif;\"><strong><span style=\"color: #800000;\">Teacher Tip:<\/span><\/strong><\/span><\/h3>\n<div style=\"text-align: left;\"><span style=\"font-size: 14px; font-family: arial, helvetica, sans-serif;\">Preview the algorithms with your students before you start playing initially in order to make sure they are developing efficient strategies to arrive at the answers to the algorithms. Knowing what to expect will help them to enjoy the game.<\/span><\/div>\n<h3 style=\"text-align: left;\"><span style=\"color: #800000; font-family: arial, helvetica, sans-serif; font-size: 14px;\"><strong>What You Need:<\/strong><\/span><\/h3>\n<div style=\"text-align: left;\"><span style=\"color: #010101; font-family: arial, helvetica, sans-serif; font-size: 14px;\">&#8211; 2 players<\/span><\/div>\n<div style=\"text-align: left;\"><span style=\"color: #010101; font-family: arial, helvetica, sans-serif; font-size: 14px;\">&#8211; 1 Clobber Game Board<\/span><\/div>\n<div style=\"text-align: left;\"><span style=\"color: #010101; font-family: arial, helvetica, sans-serif; font-size: 14px;\">&#8211; 15 white counters<\/span><\/div>\n<div style=\"text-align: left;\"><span style=\"color: #010101; font-family: arial, helvetica, sans-serif; font-size: 14px;\">&#8211; 15 black counters<\/span><\/div>\n<div style=\"text-align: left;\"><span style=\"color: #010101; font-family: arial, helvetica, sans-serif; font-size: 14px;\">\u00a0<\/span><\/div>\n<div style=\"text-align: left;\"><span style=\"color: #010101; font-family: arial, helvetica, sans-serif; font-size: 14px;\">Note: Counters don\u2019t have to be black and white &#8211; any colored counters will do.<\/span><\/div>\n<h3 style=\"text-align: left;\"><span style=\"color: #800000; font-family: arial, helvetica, sans-serif; font-size: 14px;\"><strong>Before the Game:<\/strong><\/span><\/h3>\n<div style=\"text-align: left;\"><span style=\"color: #010101; font-family: arial, helvetica, sans-serif; font-size: 14px;\">Review the rules with students, in particular the way that counters move and what kinds of math problems might be involved. Also review strategy for winning.<\/span><\/div>\n<div style=\"text-align: left;\"><\/div>\n<div style=\"text-align: left;\"><span style=\"color: #010101; font-family: arial, helvetica, sans-serif; font-size: 14px;\"><span style=\"color: #010101; font-family: arial, helvetica, sans-serif; font-size: 14px;\">All moves must be orthogonal (right angles only along the horizontal and vertical). Review the definition of orthogonal with students. \u00a0DIAGONAL MOVES ARE NOT PERMITTED<\/span><\/span><\/p>\n<div id=\"attachment_2060\" style=\"width: 310px\" class=\"wp-caption alignright\"><img decoding=\"async\" aria-describedby=\"caption-attachment-2060\" class=\"wp-image-2060 size-medium\" title=\"Addition &amp; Subtraction Games\" src=\"https:\/\/goteachthis.com\/wp-content\/uploads\/2021\/05\/Addition-Subtraction-Game-300x300.jpg\" alt=\"Addition &amp; Subtraction Games\" width=\"300\" height=\"300\" srcset=\"https:\/\/goteachthis.com\/wp-content\/uploads\/2021\/05\/Addition-Subtraction-Game-66x66.jpg 66w, https:\/\/goteachthis.com\/wp-content\/uploads\/2021\/05\/Addition-Subtraction-Game-150x150.jpg 150w, https:\/\/goteachthis.com\/wp-content\/uploads\/2021\/05\/Addition-Subtraction-Game-151x151.jpg 151w, https:\/\/goteachthis.com\/wp-content\/uploads\/2021\/05\/Addition-Subtraction-Game-200x200.jpg 200w, https:\/\/goteachthis.com\/wp-content\/uploads\/2021\/05\/Addition-Subtraction-Game-300x300.jpg 300w, https:\/\/goteachthis.com\/wp-content\/uploads\/2021\/05\/Addition-Subtraction-Game.jpg 350w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-2060\" class=\"wp-caption-text\"><strong><span style=\"font-size: 10pt; color: #808080;\">Addition &amp; Subtraction Games<\/span><\/strong><\/p><\/div>\n<\/div>\n<div>\n<h3 style=\"text-align: left;\"><span style=\"color: #980000; font-family: arial, helvetica, sans-serif; font-size: 14px;\"><strong>GamePlay:<\/strong><\/span><\/h3>\n<div style=\"text-align: left;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14px;\">1. The person whose birthday is the next becomes Player One and plays white.<\/span><\/div>\n<div style=\"text-align: left;\"><span style=\"font-size: 14px; font-family: arial, helvetica, sans-serif;\">2. Player One picks up one of their counters and taps one of their opponent&#8217;s\u00a0counters which is seated on a vertically or horizontally adjacent square. This move\u00a0is called a &#8216;clobber&#8217;.<\/span><\/div>\n<div style=\"text-align: left;\"><span style=\"font-size: 14px; font-family: arial, helvetica, sans-serif;\"><span style=\"font-size: 14px; font-family: arial, helvetica, sans-serif;\">3. Player One removes the &#8216;clobbered&#8217; counter, answers the algorithm which is revealed &amp; then oc<\/span><\/span><span style=\"font-size: 14px; font-family: arial, helvetica, sans-serif;\">cupies the space with their counter.<\/span><\/div>\n<div style=\"text-align: left;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14px;\">4. Player Two then repeats Steps 2 &amp; 3.<\/span><\/div>\n<div style=\"text-align: left;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14px;\">5. Play continues in this fashion until no legal move can be taken.<\/span><\/div>\n<h3 style=\"text-align: left;\"><span style=\"color: #800000; font-size: 14px;\"><strong><span style=\"font-family: arial, helvetica, sans-serif;\">Notes on GamePlay:<\/span><\/strong><\/span><\/h3>\n<div style=\"text-align: left;\"><span style=\"font-size: 14px; font-family: arial, helvetica, sans-serif;\">&#8211; Every move\u00a0<strong>MUST<\/strong> be a capture.<\/span><\/div>\n<div style=\"text-align: left;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14px;\">&#8211; Players cannot slide their pieces onto an empty square.<\/span><\/div>\n<div style=\"text-align: left;\"><span style=\"font-size: 14px; font-family: arial, helvetica, sans-serif;\">&#8211; Orthogonal moves\u00a0<strong>ONLY<\/strong>\u00a0(right angles) no diagonals.<\/span><\/div>\n<div style=\"text-align: left;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14px;\">&#8211; Players cannot capture their own pieces.<\/span><\/div>\n<div><span style=\"font-family: arial, helvetica, sans-serif; font-size: 10pt;\"> <script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<!-- New GTT 3 -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:inline-block;width:336px;height:280px\"\r\n     data-ad-client=\"ca-pub-3782706448212144\"\r\n     data-ad-slot=\"2106304228\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><\/span><\/div>\n<div style=\"text-align: left;\"><span style=\"color: #980000; font-family: arial, helvetica, sans-serif;\"><strong>During the Game:<\/strong><\/span><span style=\"font-family: arial, helvetica, sans-serif;\">\u00a0<\/span><span style=\"font-family: arial, helvetica, sans-serif; font-size: 10pt;\"><br \/>\n<\/span><\/div>\n<\/div>\n<\/div>\n<div>\n<ul>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14px;\">Consider having students stop and record each algorithm if they are \u2018struggling\u2019.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14px;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14px;\">Encourage students to get excited about \u201cclobberin<\/span><\/span><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14px;\">g\u201d their opponent! Sound effects are always welcome.<\/span><\/li>\n<li><span style=\"font-size: 14px; font-family: arial, helvetica, sans-serif;\">Offer students strategy hints like:\u00a0\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14px;\">Try not to leave your pieces out on their own so they cannot move.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14px;\">Try to force your opponent to leave their pieces out on their own so they cannot move.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><span style=\"font-size: 14px; font-family: arial, helvetica, sans-serif;\"><strong style=\"color: #980000; font-family: Arial;\">Winning:<\/strong><\/span><\/h3>\n<\/div>\n<div><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14px;\">The winner is the LAST player able to make a legal move i.e. when a player can no longer &#8216;clobber&#8217; any of their opponent&#8217;s pieces they lose.<\/span><\/div>\n<h3><span style=\"font-size: 14px; font-family: arial, helvetica, sans-serif;\"><strong><span style=\"color: #800000;\">Possible Reflection Questions:<\/span><\/strong><\/span><\/h3>\n<div>\n<div>\n<p dir=\"ltr\"><span style=\"font-size: 14px; font-family: arial, helvetica, sans-serif;\">&#8211; What strategies have you developed to give you a better chance of winning?<\/span><\/p>\n<p dir=\"ltr\"><span style=\"font-size: 14px; font-family: arial, helvetica, sans-serif;\">&#8211; Clobber is such a new game players don&#8217;t yet know what is a good way to start. What do\u00a0you think is the best way to open?<\/span><\/p>\n<h3><span style=\"font-size: 14px; font-family: arial, helvetica, sans-serif;\"><strong><span style=\"color: #800000;\">Possible Extension Activities:<\/span><\/strong><\/span><\/h3>\n<p dir=\"ltr\"><span style=\"font-size: 14px; font-family: arial, helvetica, sans-serif;\">&#8211; Invent a differently shaped game board.<\/span><\/p>\n<p dir=\"ltr\"><span style=\"font-size: 14px; font-family: arial, helvetica, sans-serif;\">&#8211; Use different dimensions for the board. How does the gameplay change?<\/span><\/p>\n<p dir=\"ltr\"><span style=\"font-size: 14px; font-family: arial, helvetica, sans-serif;\">&#8211; This is the general rule for making Clobber boards: n x (n+1) where n stands for a number. Ask students what could n x (n+1) mean? Now try making a board with these dimensions.<\/span><\/p>\n<p dir=\"ltr\"><span style=\"font-size: 14px; font-family: arial, helvetica, sans-serif;\">&#8211; Computer Olympiads Clobber is played on 10&#215;10-boards \u00a0&#8211; Give a 10&#215;10 board a go!<\/span><\/p>\n<\/div>\n<h3><span style=\"font-size: 14px; font-family: arial, helvetica, sans-serif; color: #800000;\"><strong>Included in this Download:<\/strong><\/span><\/h3>\n<div><span style=\"font-size: 14px; font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; 5 full-color boards<\/span><\/div>\n<div><span style=\"font-size: 14px; font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; 5 low color boards (printer-friendly version)<\/span><\/div>\n<div><span style=\"font-size: 14px; font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; 1 PowerPoint Presentation with all full-color boards for easy Number Talks<\/span><\/div>\n<h3><span style=\"font-size: 14px; font-family: arial, helvetica, sans-serif; color: #800000;\"><strong>Content Addressed in this Download:<\/strong><\/span><\/h3>\n<p><span style=\"font-size: 14px; font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; 1 Doubles, Doubles + 1 &amp; Doubles +2 Board<br \/>\n<\/span><span style=\"font-size: 14px; font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; 1 Friends to 10 Board<br \/>\n<\/span><span style=\"font-size: 14px; font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; 2 Different Friends to 20 Boards<br \/>\n<\/span><span style=\"font-size: 14px; font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; 1 Subtraction Facts Board<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 10pt;\"> <script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<!-- GTT 4 -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-client=\"ca-pub-3782706448212144\"\r\n     data-ad-slot=\"8979522699\"\r\n     data-ad-format=\"auto\"\r\n     data-full-width-responsive=\"true\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><\/span><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14px;\"><strong>Addition Game &amp; Subtraction Game &#8211; Clobber<\/strong> is an abstract strategy game invented by mathematicians in 2001. The GoTeachThis version will give your students a real mental workout while they practice addition and subtraction facts.<\/span><\/p>\n","protected":false},"featured_media":925,"template":"","meta":[],"product_cat":[17,16],"product_tag":[70],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Subtraction Game &amp; Addition Game - Clobber - a Great Math Station Idea<\/title>\n<meta name=\"description\" content=\"Subtraction Game &amp; Addition Game in One - Printable - Clobber is an abstract strategy Math game for 3rd to 6th grades. 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