{"id":6949,"date":"2020-05-04T20:50:55","date_gmt":"2020-05-04T20:50:55","guid":{"rendered":"https:\/\/www.mathsweek.ie\/2019\/?page_id=6949"},"modified":"2020-05-04T21:02:22","modified_gmt":"2020-05-04T21:02:22","slug":"coin-puzzle-hint-and-solution","status":"publish","type":"page","link":"https:\/\/www.mathsweek.ie\/2025\/coin-puzzle-hint-and-solution\/","title":{"rendered":"Coin Puzzle Hint and Solution"},"content":{"rendered":"<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"background-color: rgba(255,255,255,0);background-position: center center;background-repeat: no-repeat;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;margin-bottom: 0px;margin-top: 0px;border-width: 0px 0px 0px 0px;border-color:#eaeaea;border-style:solid;\" ><div class=\"fusion-builder-row fusion-row\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last\" style=\"margin-top:0px;margin-bottom:20px;\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><a id=\"activity20-1hint\"> <\/a><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"margin-left: auto;margin-right: auto;margin-bottom:200px;width:100%;\"><div class=\"fusion-separator-border sep-shadow\" style=\"background:radial-gradient(ellipse at 50% -50% , #eaeaea 0px, rgba(255, 255, 255, 0) 80%) repeat scroll 0 0 rgba(0, 0, 0, 0);background:-webkit-radial-gradient(ellipse at 50% -50% , #eaeaea 0px, rgba(255, 255, 255, 0) 80%) repeat scroll 0 0 rgba(0, 0, 0, 0);background:-moz-radial-gradient(ellipse at 50% -50% , #eaeaea 0px, rgba(255, 255, 255, 0) 80%) repeat scroll 0 0 rgba(0, 0, 0, 0);background:-o-radial-gradient(ellipse at 50% -50% , #eaeaea 0px, rgba(255, 255, 255, 0) 80%) repeat scroll 0 0 rgba(0, 0, 0, 0);\"><\/div><\/div><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last\" style=\"margin-top:0px;margin-bottom:20px;\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><div class=\"fusion-text fusion-text-1\"><p>Activity 1 Hint<\/p>\n<\/div><span class=\" fusion-imageframe imageframe-none imageframe-1 hover-type-none\"><img decoding=\"async\" width=\"400\" height=\"400\" title=\"1a\" src=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2020\/05\/1a.jpg\" class=\"img-responsive wp-image-6935\" srcset=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2020\/05\/1a-200x200.jpg 200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2020\/05\/1a.jpg 400w\" sizes=\"(max-width: 800px) 100vw, 400px\" \/><\/span><div class=\"fusion-text fusion-text-2\"><p>Hint : Here&#8217;s coins you need to move<\/p>\n<\/div><span class=\" fusion-imageframe imageframe-none imageframe-2 hover-type-none\"><img decoding=\"async\" width=\"400\" height=\"400\" alt=\"1b Hint for Coin Triangle\" title=\"1b Hint for Coin Triangle\" src=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2020\/05\/1b.jpg\" class=\"img-responsive wp-image-6936\" srcset=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2020\/05\/1b-200x200.jpg 200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2020\/05\/1b.jpg 400w\" sizes=\"(max-width: 800px) 100vw, 400px\" \/><\/span><div class=\"fusion-align-block\"><style type=\"text\/css\">.fusion-button.button-1 {border-radius:2px;}<\/style><a class=\"fusion-button button-flat fusion-button-default-size button-default button-1 fusion-button-default-span fusion-button-default-type\" target=\"_self\" href=\"https:\/\/www.mathsweek.ie\/2025\/maths-at-home-activities\/#activity20coinpuzzles\"><span class=\"fusion-button-text\">Back to Puzzle<\/span><\/a><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"background-color: rgba(255,255,255,0);background-position: center center;background-repeat: no-repeat;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;margin-bottom: 0px;margin-top: 0px;border-width: 0px 0px 0px 0px;border-color:#eaeaea;border-style:solid;\" ><div class=\"fusion-builder-row fusion-row\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last\" style=\"margin-top:0px;margin-bottom:20px;\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><a id=\"activity20-2solution\"> <\/a><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"margin-left: auto;margin-right: auto;margin-bottom:200px;width:100%;\"><div class=\"fusion-separator-border sep-shadow\" style=\"background:radial-gradient(ellipse at 50% -50% , #eaeaea 0px, rgba(255, 255, 255, 0) 80%) repeat scroll 0 0 rgba(0, 0, 0, 0);background:-webkit-radial-gradient(ellipse at 50% -50% , #eaeaea 0px, rgba(255, 255, 255, 0) 80%) repeat scroll 0 0 rgba(0, 0, 0, 0);background:-moz-radial-gradient(ellipse at 50% -50% , #eaeaea 0px, rgba(255, 255, 255, 0) 80%) repeat scroll 0 0 rgba(0, 0, 0, 0);background:-o-radial-gradient(ellipse at 50% -50% , #eaeaea 0px, rgba(255, 255, 255, 0) 80%) repeat scroll 0 0 rgba(0, 0, 0, 0);\"><\/div><\/div><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-3 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last\" style=\"margin-top:0px;margin-bottom:20px;\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><span class=\" fusion-imageframe imageframe-none imageframe-3 hover-type-none\"><img decoding=\"async\" width=\"400\" height=\"400\" title=\"2a-5 coin Trick\" src=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2020\/05\/2-a.jpg\" class=\"img-responsive wp-image-6939\" srcset=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2020\/05\/2-a-200x200.jpg 200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2020\/05\/2-a.jpg 400w\" sizes=\"(max-width: 800px) 100vw, 400px\" \/><\/span><div class=\"fusion-text fusion-text-3\"><p>Activity 2 Solution: Here are the moves<\/p>\n<\/div><div class=\"fusion-video fusion-youtube\" style=\"max-width:600px;max-height:360px;\"><div class=\"video-shortcode\"><iframe title=\"YouTube video player 1\" src=\"https:\/\/www.youtube.com\/embed\/3_Cob9hxLbY?wmode=transparent&autoplay=0\" width=\"600\" height=\"360\" allowfullscreen allow=\"autoplay; fullscreen\"><\/iframe><\/div><\/div><div class=\"fusion-align-block\"><style type=\"text\/css\">.fusion-button.button-2 {border-radius:2px;}<\/style><a class=\"fusion-button button-flat fusion-button-default-size button-default button-2 fusion-button-default-span fusion-button-default-type\" target=\"_self\" href=\"https:\/\/www.mathsweek.ie\/2025\/maths-at-home-activities\/#activity20coinpuzzles\"><span class=\"fusion-button-text\">Back to Puzzle<\/span><\/a><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-3 nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"background-color: rgba(255,255,255,0);background-position: center center;background-repeat: no-repeat;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;margin-bottom: 0px;margin-top: 0px;border-width: 0px 0px 0px 0px;border-color:#eaeaea;border-style:solid;\" ><div class=\"fusion-builder-row fusion-row\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-4 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last\" style=\"margin-top:0px;margin-bottom:20px;\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><a id=\"activity20-3hint\"> <\/a><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"margin-left: auto;margin-right: auto;margin-bottom:200px;width:100%;\"><div class=\"fusion-separator-border sep-shadow\" style=\"background:radial-gradient(ellipse at 50% -50% , #eaeaea 0px, rgba(255, 255, 255, 0) 80%) repeat scroll 0 0 rgba(0, 0, 0, 0);background:-webkit-radial-gradient(ellipse at 50% -50% , #eaeaea 0px, rgba(255, 255, 255, 0) 80%) repeat scroll 0 0 rgba(0, 0, 0, 0);background:-moz-radial-gradient(ellipse at 50% -50% , #eaeaea 0px, rgba(255, 255, 255, 0) 80%) repeat scroll 0 0 rgba(0, 0, 0, 0);background:-o-radial-gradient(ellipse at 50% -50% , #eaeaea 0px, rgba(255, 255, 255, 0) 80%) repeat scroll 0 0 rgba(0, 0, 0, 0);\"><\/div><\/div><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-5 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last\" style=\"margin-top:0px;margin-bottom:20px;\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><div class=\"fusion-text fusion-text-4\"><p>Activity 3 Hint : Here&#8217;s the first move<\/p>\n<\/div><span class=\" fusion-imageframe imageframe-none imageframe-4 hover-type-none\"><img decoding=\"async\" width=\"400\" height=\"400\" title=\"3a Coin Hexagon\" src=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2020\/05\/3a.jpg\" class=\"img-responsive wp-image-6941\" srcset=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2020\/05\/3a-200x200.jpg 200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2020\/05\/3a.jpg 400w\" sizes=\"(max-width: 800px) 100vw, 400px\" \/><\/span><span class=\" fusion-imageframe imageframe-none imageframe-5 hover-type-none\"><img decoding=\"async\" width=\"400\" height=\"400\" title=\"3c Coin Hexagon\" src=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2020\/05\/3c.jpg\" class=\"img-responsive wp-image-6943\" srcset=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2020\/05\/3c-200x200.jpg 200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2020\/05\/3c.jpg 400w\" sizes=\"(max-width: 800px) 100vw, 400px\" \/><\/span><span class=\" fusion-imageframe imageframe-none imageframe-6 hover-type-none\"><img decoding=\"async\" width=\"400\" height=\"400\" title=\"3d Coin Hexagon\" src=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2020\/05\/3d.jpg\" class=\"img-responsive wp-image-6944\" srcset=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2020\/05\/3d-200x200.jpg 200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2020\/05\/3d.jpg 400w\" sizes=\"(max-width: 800px) 100vw, 400px\" \/><\/span><span class=\" fusion-imageframe imageframe-none imageframe-7 hover-type-none\"><img decoding=\"async\" width=\"400\" height=\"400\" title=\"3b Coin Hexagon\" src=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2020\/05\/3b.jpg\" class=\"img-responsive wp-image-6942\" srcset=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2020\/05\/3b-200x200.jpg 200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2020\/05\/3b.jpg 400w\" sizes=\"(max-width: 800px) 100vw, 400px\" \/><\/span><div class=\"fusion-align-block\"><style type=\"text\/css\">.fusion-button.button-3 {border-radius:2px;}<\/style><a class=\"fusion-button button-flat fusion-button-default-size button-default button-3 fusion-button-default-span fusion-button-default-type\" target=\"_self\" href=\"https:\/\/www.mathsweek.ie\/2025\/maths-at-home-activities\/#activity20coinpuzzles\"><span class=\"fusion-button-text\">Back to Puzzle<\/span><\/a><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_vp_format_video_url":"","_vp_image_focal_point":[],"footnotes":""},"class_list":["post-6949","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Coin Puzzle Hint and Solution &#8211; MATHS WEEK IRELAND<\/title>\n<meta name=\"description\" content=\"Maths Week will take place from 11 - 19 Oct. 2025. We will have events and activities for all the family. Visit MathsWeek.ie for more info MATHS WEEK IRELAND\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.mathsweek.ie\/2025\/coin-puzzle-hint-and-solution\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Coin Puzzle Hint and Solution &#8211; MATHS WEEK IRELAND\" \/>\n<meta property=\"og:description\" content=\"Maths Week will take place from 11 - 19 Oct. 2025. We will have events and activities for all the family. 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