{"id":1441,"date":"2018-06-06T13:58:22","date_gmt":"2018-06-06T13:58:22","guid":{"rendered":"http:\/\/www.mathsweek.ie\/2018\/?page_id=1441"},"modified":"2021-11-29T12:34:02","modified_gmt":"2021-11-29T12:34:02","slug":"code-breaking-day","status":"publish","type":"page","link":"https:\/\/www.mathsweek.ie\/2025\/code-breaking-day\/","title":{"rendered":"Code-breaking day"},"content":{"rendered":"<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_2 1_2 fusion-one-half fusion-column-first\" style=\"width:50%;width:calc(50% - ( ( 4% ) * 0.5 ) );margin-right: 4%;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;\"><style type=\"text\/css\"><\/style><div class=\"fusion-title title fusion-title-1 fusion-title-text fusion-title-size-one\" style=\"margin-top:0%;margin-right:0px;margin-bottom:30px;margin-left:0px;\"><h1 class=\"title-heading-left fusion-responsive-typography-calculated\" style=\"font-family:&quot;Carrois Gothic&quot;;font-weight:400;margin:0;--fontSize:50;line-height:1.2;\">Code-Breaking Day<\/h1><div class=\"title-sep-container\"><div class=\"title-sep sep-single sep-solid\" style=\"border-color:#eaeaea;\"><\/div><\/div><\/div><style type='text\/css'>.reading-box-container-1 .element-bottomshadow:before,.reading-box-container-1 .element-bottomshadow:after{opacity:0.70;}<\/style><div class=\"fusion-reading-box-container reading-box-container-1\" style=\"margin-top:0px;margin-bottom:84px;\"><div class=\"reading-box\" style=\"background-color:#f2f2f2;border-width:1px;border-color:#eaeaea;border-left-width:3px;border-left-color:var(--primary_color);border-style:solid;\"><div class=\"reading-box-additional\">\n<p>Ages: 8-12 years<\/p>\n<p>Materials: paper, pens, scissors, compass or disk shapes<\/p>\n<p>Time: 1-2 hrs<\/p>\n<p>Complexity: easy to mid-level<\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_2 1_2 fusion-one-half fusion-column-last\" style=\"width:50%;width:calc(50% - ( ( 4% ) * 0.5 ) );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-1 hover-type-none\"><img decoding=\"async\" width=\"400\" height=\"400\" title=\"code breaking day\" src=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2021\/11\/Problem-Solving-17.png\" class=\"img-responsive wp-image-11275\" srcset=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2021\/11\/Problem-Solving-17-200x200.png 200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2021\/11\/Problem-Solving-17.png 400w\" sizes=\"(max-width: 800px) 100vw, 400px\" \/><\/span><div class=\"fusion-clearfix\"><\/div><\/div><\/div><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;\"><div class=\"fusion-section-separator section-separator triangle fusion-section-separator-1\"><div class=\"fusion-section-separator-svg\" style=\"border-top:1px solid #eaeaea;margin-left: 0px;margin-right: 0px;\"><div class=\"divider-candy-arrow top\" style=\"bottom:0px;border-bottom-color: #f2f2f2;\"><\/div><div class=\"divider-candy top\" style=\"top:-21px;border-bottom:1px solid #eaeaea;border-left:1px solid #eaeaea;\"><\/div><\/div><div class=\"fusion-section-separator-spacer\"><div class=\"fusion-section-separator-spacer-height\" style=\"height:1px;\"><\/div><\/div><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-3 fusion_builder_column_1_2 1_2 fusion-one-half fusion-column-first\" style=\"width:50%;width:calc(50% - ( ( 4% ) * 0.5 ) );margin-right: 4%;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-content-boxes content-boxes columns row fusion-columns-1 fusion-columns-total-1 fusion-content-boxes-1 content-boxes-icon-with-title content-left\" data-animationOffset=\"100%\" style=\"margin-top:3%;margin-bottom:0px;\"><style type=\"text\/css\">.fusion-content-boxes-1 .heading .content-box-heading {color:#191919;}\n\t\t\t\t\t.fusion-content-boxes-1 .fusion-content-box-hover .link-area-link-icon-hover .heading .content-box-heading,\n\t\t\t\t\t.fusion-content-boxes-1 .fusion-content-box-hover .link-area-link-icon-hover .heading .heading-link .content-box-heading,\n\t\t\t\t\t.fusion-content-boxes-1 .fusion-content-box-hover .link-area-box-hover .heading .content-box-heading,\n\t\t\t\t\t.fusion-content-boxes-1 .fusion-content-box-hover .link-area-box-hover .heading .heading-link .content-box-heading,\n\t\t\t\t\t.fusion-content-boxes-1 .fusion-content-box-hover .link-area-link-icon-hover.link-area-box .fusion-read-more,\n\t\t\t\t\t.fusion-content-boxes-1 .fusion-content-box-hover .link-area-link-icon-hover.link-area-box .fusion-read-more::after,\n\t\t\t\t\t.fusion-content-boxes-1 .fusion-content-box-hover .link-area-link-icon-hover.link-area-box .fusion-read-more::before,\n\t\t\t\t\t.fusion-content-boxes-1 .fusion-content-box-hover .fusion-read-more:hover:after,\n\t\t\t\t\t.fusion-content-boxes-1 .fusion-content-box-hover .fusion-read-more:hover:before,\n\t\t\t\t\t.fusion-content-boxes-1 .fusion-content-box-hover .fusion-read-more:hover,\n\t\t\t\t\t.fusion-content-boxes-1 .fusion-content-box-hover .link-area-box-hover.link-area-box .fusion-read-more,\n\t\t\t\t\t.fusion-content-boxes-1 .fusion-content-box-hover .link-area-box-hover.link-area-box .fusion-read-more::after,\n\t\t\t\t\t.fusion-content-boxes-1 .fusion-content-box-hover .link-area-box-hover.link-area-box .fusion-read-more::before,\n\t\t\t\t\t.fusion-content-boxes-1 .fusion-content-box-hover .link-area-link-icon-hover .icon .circle-no,\n\t\t\t\t\t.fusion-content-boxes-1 .heading .heading-link:hover .content-box-heading {\n\t\t\t\t\t\tcolor: #e9a825;\n\t\t\t\t\t}\n\t\t\t\t\t.fusion-content-boxes-1 .fusion-content-box-hover .link-area-box-hover .icon .circle-no {\n\t\t\t\t\t\tcolor: #e9a825 !important;\n\t\t\t\t\t}.fusion-content-boxes-1 .fusion-content-box-hover .link-area-box.link-area-box-hover .fusion-content-box-button {background: #d6ad5a;color: #785510;background-image: -webkit-gradient( linear, left bottom, left top, from( #e8cb90 ), to( #d6ad5a ) );background-image: linear-gradient( to top, #e8cb90, #d6ad5a )}.fusion-content-boxes-1 .fusion-content-box-hover .link-area-box.link-area-box-hover .fusion-content-box-button .fusion-button-text {color: #785510;}\n\t\t\t\t\t.fusion-content-boxes-1 .fusion-content-box-hover .link-area-link-icon-hover .heading .icon > span {\n\t\t\t\t\t\tbackground-color: #e9a825 !important;\n\t\t\t\t\t}\n\t\t\t\t\t.fusion-content-boxes-1 .fusion-content-box-hover .link-area-box-hover .heading .icon > span {\n\t\t\t\t\t\tborder-color: #e9a825 !important;\n\t\t\t\t\t}<\/style><div class=\"fusion-column content-box-column content-box-column content-box-column-1 col-lg-12 col-md-12 col-sm-12 fusion-content-box-hover content-box-column-last content-box-column-last-in-row\"><div class=\"col content-box-wrapper content-wrapper link-area-box icon-hover-animation-fade\" style=\"background-color:rgba(255,255,255,0);\" data-animationOffset=\"100%\"><div class=\"fusion-clearfix\"><\/div><div class=\"content-container\" style=\"color:#707070;\">\n<div id=\"viewlet-above-content-body\">\n<div id=\"viewlet-above-content-body\">The world of secret codes holds a fascinating air of mystery with secret agents trying to discover the enemy\u0092s plans before the enemy uncovers theirs!<\/div>\n<div><\/div>\n<div>The Spartans are credited with creating the first system of military secret codes, or <strong>secret ciphers<\/strong>, as they are sometimes called. This is why the study of secret codes and methods of breaking these codes is called <strong>cryptology<\/strong>, from the Greek <em>kryptos<\/em> meaning hidden or secret.<\/div>\n<div id=\"content-core\">\n<div id=\"parent-fieldname-text\" class=\"\">\n<p>One example of a secret code method is called a\u00a0<strong>Keyword Cipher.\u00a0<\/strong>With this secret code, a keyword is placed at the beginning of the alphabet. This shifts all of the remaining letters of the alphabet to the right.<\/p>\n<p>For example, if the keyword was JAMESBOND, the code would read as follows:<\/p>\n<p><img decoding=\"async\" class=\"image-inline\" src=\"http:\/\/www.mathsweek.ie\/2017\/puzzles\/jamesbondcode.JPG\" \/><\/p>\n<p>The message: SEND HELP QUICKLY would be encoded as\u00a0RSIE NSGL PUDMFGY.<\/p>\n<p>Here is a challenge for you to try &#8211; use the JAMESBOND keyword cipher to break the code and find the answer to this question:<\/p>\n<p>Q. In the James Bond film\u00a0<a class=\"external-link\" title=\"The Man with the Golden Gun (film)\" href=\"http:\/\/en.wikipedia.org\/wiki\/The_Man_with_the_Golden_Gun_(film)\" target=\"_blank\" rel=\"noopener noreferrer\">The Man With The Golden Gun<\/a>, how many shots does Scaramanga have with his Golden Gun?<\/p>\n<p>A.\u00a0GDHDTSE TK CURT KIS AUGGST<\/p>\n<p><em>Hint: When trying to crack a cipher, the relative frequency of letters in the written word will sometimes reveal the code. &#8216;For example, &#8216;e&#8217; is the most frequently-used letter in the alphabet. If you&#8217;re\u00a0<\/em><em>decoding a paragraph with lots of h&#8217;s, you might reasonably guess that &#8216;e&#8217; has been replaced by &#8216;h&#8217; in the code.<\/em><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/div><\/div><style type=\"text\/css\">\n\t\t\t\t\t\t.fusion-content-boxes-1 .fusion-content-box-hover .heading-link:hover .icon i.circle-yes,\n\t\t\t\t\t\t.fusion-content-boxes-1 .fusion-content-box-hover .link-area-box:hover .heading-link .icon i.circle-yes,\n\t\t\t\t\t\t.fusion-content-boxes-1 .fusion-content-box-hover .link-area-link-icon-hover .heading .icon i.circle-yes,\n\t\t\t\t\t\t.fusion-content-boxes-1 .fusion-content-box-hover .link-area-box-hover .heading .icon i.circle-yes {\n\t\t\t\t\t\t\tbackground-color: #e9a825 !important;\n\t\t\t\t\t\t\tborder-color: #e9a825 !important;\n\t\t\t\t\t\t}<\/style><div class=\"fusion-clearfix\"><\/div><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-4 fusion_builder_column_1_2 1_2 fusion-one-half fusion-column-last\" style=\"width:50%;width:calc(50% - ( ( 4% ) * 0.5 ) );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-content-boxes content-boxes columns row fusion-columns-1 fusion-columns-total-1 fusion-content-boxes-2 content-boxes-icon-with-title content-left\" data-animationOffset=\"100%\" style=\"margin-top:0px;margin-bottom:0px;\"><style type=\"text\/css\">.fusion-content-boxes-2 .heading .content-box-heading {color:#191919;}\n\t\t\t\t\t.fusion-content-boxes-2 .fusion-content-box-hover .link-area-link-icon-hover .heading .content-box-heading,\n\t\t\t\t\t.fusion-content-boxes-2 .fusion-content-box-hover .link-area-link-icon-hover .heading .heading-link .content-box-heading,\n\t\t\t\t\t.fusion-content-boxes-2 .fusion-content-box-hover .link-area-box-hover .heading .content-box-heading,\n\t\t\t\t\t.fusion-content-boxes-2 .fusion-content-box-hover .link-area-box-hover .heading .heading-link .content-box-heading,\n\t\t\t\t\t.fusion-content-boxes-2 .fusion-content-box-hover .link-area-link-icon-hover.link-area-box .fusion-read-more,\n\t\t\t\t\t.fusion-content-boxes-2 .fusion-content-box-hover .link-area-link-icon-hover.link-area-box .fusion-read-more::after,\n\t\t\t\t\t.fusion-content-boxes-2 .fusion-content-box-hover .link-area-link-icon-hover.link-area-box .fusion-read-more::before,\n\t\t\t\t\t.fusion-content-boxes-2 .fusion-content-box-hover .fusion-read-more:hover:after,\n\t\t\t\t\t.fusion-content-boxes-2 .fusion-content-box-hover .fusion-read-more:hover:before,\n\t\t\t\t\t.fusion-content-boxes-2 .fusion-content-box-hover .fusion-read-more:hover,\n\t\t\t\t\t.fusion-content-boxes-2 .fusion-content-box-hover .link-area-box-hover.link-area-box .fusion-read-more,\n\t\t\t\t\t.fusion-content-boxes-2 .fusion-content-box-hover .link-area-box-hover.link-area-box .fusion-read-more::after,\n\t\t\t\t\t.fusion-content-boxes-2 .fusion-content-box-hover .link-area-box-hover.link-area-box .fusion-read-more::before,\n\t\t\t\t\t.fusion-content-boxes-2 .fusion-content-box-hover .link-area-link-icon-hover .icon .circle-no,\n\t\t\t\t\t.fusion-content-boxes-2 .heading .heading-link:hover .content-box-heading {\n\t\t\t\t\t\tcolor: #e9a825;\n\t\t\t\t\t}\n\t\t\t\t\t.fusion-content-boxes-2 .fusion-content-box-hover .link-area-box-hover .icon .circle-no {\n\t\t\t\t\t\tcolor: #e9a825 !important;\n\t\t\t\t\t}.fusion-content-boxes-2 .fusion-content-box-hover .link-area-box.link-area-box-hover .fusion-content-box-button {background: #d6ad5a;color: #785510;background-image: -webkit-gradient( linear, left bottom, left top, from( #e8cb90 ), to( #d6ad5a ) );background-image: linear-gradient( to top, #e8cb90, #d6ad5a )}.fusion-content-boxes-2 .fusion-content-box-hover .link-area-box.link-area-box-hover .fusion-content-box-button .fusion-button-text {color: #785510;}\n\t\t\t\t\t.fusion-content-boxes-2 .fusion-content-box-hover .link-area-link-icon-hover .heading .icon > span {\n\t\t\t\t\t\tbackground-color: #e9a825 !important;\n\t\t\t\t\t}\n\t\t\t\t\t.fusion-content-boxes-2 .fusion-content-box-hover .link-area-box-hover .heading .icon > span {\n\t\t\t\t\t\tborder-color: #e9a825 !important;\n\t\t\t\t\t}<\/style><div class=\"fusion-column content-box-column content-box-column content-box-column-1 col-lg-12 col-md-12 col-sm-12 fusion-content-box-hover content-box-column-last content-box-column-last-in-row\"><div class=\"col content-box-wrapper content-wrapper link-area-box icon-hover-animation-fade\" style=\"background-color:rgba(255,255,255,0);\" data-animationOffset=\"100%\"><div class=\"heading icon-left\"><h2 class=\"content-box-heading\" style=\"font-size:23px;line-height:28px;\">Organising your code-breaking day<\/h2><\/div><div class=\"fusion-clearfix\"><\/div><div class=\"content-container\" style=\"color:#707070;\">\n<p>There are many different types of secret codes and you can organise different types of challenges for students to take part in.<\/p>\n<ul>\n<li>Time based challenge: student teams move around a room such as a classroom or hall trying to decode messages to find the hidden meaning. For each challenge they are given a set amount of time. Points are awarded depending on how many codes their team solves.<\/li>\n<li>Solution based challenge: teams are given code-breaking challenges. Once the team has decoded the message correctly they are given the next.<\/li>\n<li>Week-long challenge: a set of coded messages are given out at the beginning of the week to all students in the school.<\/li>\n<li>Daily code-breaking challenges: secret codes are given out daily.<\/li>\n<\/ul>\n<p>Whatever format you decide is appropriate for your Code-Breaking Day, browse the resources below to find a wealth of fun code-breaking activities and puzzles to occupy participants.<\/p>\n<\/div><\/div><\/div><style type=\"text\/css\">\n\t\t\t\t\t\t.fusion-content-boxes-2 .fusion-content-box-hover .heading-link:hover .icon i.circle-yes,\n\t\t\t\t\t\t.fusion-content-boxes-2 .fusion-content-box-hover .link-area-box:hover .heading-link .icon i.circle-yes,\n\t\t\t\t\t\t.fusion-content-boxes-2 .fusion-content-box-hover .link-area-link-icon-hover .heading .icon i.circle-yes,\n\t\t\t\t\t\t.fusion-content-boxes-2 .fusion-content-box-hover .link-area-box-hover .heading .icon i.circle-yes {\n\t\t\t\t\t\t\tbackground-color: #e9a825 !important;\n\t\t\t\t\t\t\tborder-color: #e9a825 !important;\n\t\t\t\t\t\t}<\/style><div class=\"fusion-clearfix\"><\/div><\/div><div class=\"imageframe-align-center\"><span class=\" fusion-imageframe imageframe-none imageframe-2 hover-type-none\"><img decoding=\"async\" width=\"300\" height=\"237\" title=\"Code breaking\" src=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2015\/10\/Code-breaking-300x237.png\" class=\"img-responsive wp-image-1344\" srcset=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2015\/10\/Code-breaking-200x158.png 200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2015\/10\/Code-breaking-400x316.png 400w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2015\/10\/Code-breaking.png 500w\" sizes=\"(max-width: 800px) 100vw, 300px\" \/><\/span><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-5 fusion_builder_column_1_2 1_2 fusion-one-half fusion-column-first\" style=\"width:50%;width:calc(50% - ( ( 4% ) * 0.5 ) );margin-right: 4%;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-content-boxes content-boxes columns row fusion-columns-1 fusion-columns-total-1 fusion-content-boxes-3 content-boxes-icon-with-title content-left\" data-animationOffset=\"100%\" style=\"margin-top:0px;margin-bottom:0px;\"><style type=\"text\/css\">.fusion-content-boxes-3 .heading .content-box-heading {color:#191919;}\n\t\t\t\t\t.fusion-content-boxes-3 .fusion-content-box-hover .link-area-link-icon-hover .heading .content-box-heading,\n\t\t\t\t\t.fusion-content-boxes-3 .fusion-content-box-hover .link-area-link-icon-hover .heading .heading-link .content-box-heading,\n\t\t\t\t\t.fusion-content-boxes-3 .fusion-content-box-hover .link-area-box-hover .heading .content-box-heading,\n\t\t\t\t\t.fusion-content-boxes-3 .fusion-content-box-hover .link-area-box-hover .heading .heading-link .content-box-heading,\n\t\t\t\t\t.fusion-content-boxes-3 .fusion-content-box-hover .link-area-link-icon-hover.link-area-box .fusion-read-more,\n\t\t\t\t\t.fusion-content-boxes-3 .fusion-content-box-hover .link-area-link-icon-hover.link-area-box .fusion-read-more::after,\n\t\t\t\t\t.fusion-content-boxes-3 .fusion-content-box-hover .link-area-link-icon-hover.link-area-box .fusion-read-more::before,\n\t\t\t\t\t.fusion-content-boxes-3 .fusion-content-box-hover .fusion-read-more:hover:after,\n\t\t\t\t\t.fusion-content-boxes-3 .fusion-content-box-hover .fusion-read-more:hover:before,\n\t\t\t\t\t.fusion-content-boxes-3 .fusion-content-box-hover .fusion-read-more:hover,\n\t\t\t\t\t.fusion-content-boxes-3 .fusion-content-box-hover .link-area-box-hover.link-area-box .fusion-read-more,\n\t\t\t\t\t.fusion-content-boxes-3 .fusion-content-box-hover .link-area-box-hover.link-area-box .fusion-read-more::after,\n\t\t\t\t\t.fusion-content-boxes-3 .fusion-content-box-hover .link-area-box-hover.link-area-box .fusion-read-more::before,\n\t\t\t\t\t.fusion-content-boxes-3 .fusion-content-box-hover .link-area-link-icon-hover .icon .circle-no,\n\t\t\t\t\t.fusion-content-boxes-3 .heading .heading-link:hover .content-box-heading {\n\t\t\t\t\t\tcolor: #e9a825;\n\t\t\t\t\t}\n\t\t\t\t\t.fusion-content-boxes-3 .fusion-content-box-hover .link-area-box-hover .icon .circle-no {\n\t\t\t\t\t\tcolor: #e9a825 !important;\n\t\t\t\t\t}.fusion-content-boxes-3 .fusion-content-box-hover .link-area-box.link-area-box-hover .fusion-content-box-button {background: #d6ad5a;color: #785510;background-image: -webkit-gradient( linear, left bottom, left top, from( #e8cb90 ), to( #d6ad5a ) );background-image: linear-gradient( to top, #e8cb90, #d6ad5a )}.fusion-content-boxes-3 .fusion-content-box-hover .link-area-box.link-area-box-hover .fusion-content-box-button .fusion-button-text {color: #785510;}\n\t\t\t\t\t.fusion-content-boxes-3 .fusion-content-box-hover .link-area-link-icon-hover .heading .icon > span {\n\t\t\t\t\t\tbackground-color: #e9a825 !important;\n\t\t\t\t\t}\n\t\t\t\t\t.fusion-content-boxes-3 .fusion-content-box-hover .link-area-box-hover .heading .icon > span {\n\t\t\t\t\t\tborder-color: #e9a825 !important;\n\t\t\t\t\t}<\/style><div class=\"fusion-column content-box-column content-box-column content-box-column-1 col-lg-12 col-md-12 col-sm-12 fusion-content-box-hover content-box-column-last content-box-column-last-in-row\"><div class=\"col content-box-wrapper content-wrapper link-area-box icon-hover-animation-fade\" style=\"background-color:rgba(255,255,255,0);\" data-animationOffset=\"100%\"><div class=\"heading icon-left\"><h2 class=\"content-box-heading\" style=\"font-size:23px;line-height:28px;\">More code-breaking resources<\/h2><\/div><div class=\"fusion-clearfix\"><\/div><div class=\"content-container\" style=\"color:#707070;\">\n<p><a href=\"http:\/\/www.cimt.org.uk\/resources\/codes\/index.htm\"><strong>Codes and Ciphers Teaching Resources Website<\/strong><\/a>\u00a0Great resource for your code breaking day on Substitution Ciphers, Braille, Bar Codes, ISBN Numbers, Genetic Fingerprinting, Postcodes, Semaphore, Morse Code, and many others. Each comes with lesson plans, pupil information and exercises, and teacher notes<\/p>\n<p><a href=\"http:\/\/www.secretcodebreaker.com\/\"><strong>Secret Code Breaker<\/strong><\/a> Learn all about secret codes including Caesar Ciphers, Auto Key Ciphers, and Monoalphabetic Substitution Ciphers. Online and downloadable solvers are provided for many of the common ciphers. The website also contains some interesting history stories on code breaking<\/p>\n<p><a href=\"https:\/\/spyforkids.com\/13-easy-diy-spy-gear-projects-for-kids\/\"><strong>Kids Spy Equipment<\/strong><\/a> Fun website on how to make spy equipment \u0096 How to build a periscope, Keyhole spy tool, Spy ID card, Make Invisible Ink and\u00a0 Fingerprint powder<\/p>\n<p><a href=\"http:\/\/nrich.maths.org\/2197\"><strong>The Secret World of Codes and Code Breaking<\/strong><\/a> Stories to use for background history on code-breaking<\/p>\n<\/div><\/div><\/div><style type=\"text\/css\">\n\t\t\t\t\t\t.fusion-content-boxes-3 .fusion-content-box-hover .heading-link:hover .icon i.circle-yes,\n\t\t\t\t\t\t.fusion-content-boxes-3 .fusion-content-box-hover .link-area-box:hover .heading-link .icon i.circle-yes,\n\t\t\t\t\t\t.fusion-content-boxes-3 .fusion-content-box-hover .link-area-link-icon-hover .heading .icon i.circle-yes,\n\t\t\t\t\t\t.fusion-content-boxes-3 .fusion-content-box-hover 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{\n\t\t\t\t\t\tcolor: #e9a825 !important;\n\t\t\t\t\t}.fusion-content-boxes-4 .fusion-content-box-hover .link-area-box.link-area-box-hover .fusion-content-box-button {background: #d6ad5a;color: #785510;background-image: -webkit-gradient( linear, left bottom, left top, from( #e8cb90 ), to( #d6ad5a ) );background-image: linear-gradient( to top, #e8cb90, #d6ad5a )}.fusion-content-boxes-4 .fusion-content-box-hover .link-area-box.link-area-box-hover .fusion-content-box-button .fusion-button-text {color: #785510;}\n\t\t\t\t\t.fusion-content-boxes-4 .fusion-content-box-hover .link-area-link-icon-hover .heading .icon > span {\n\t\t\t\t\t\tbackground-color: #e9a825 !important;\n\t\t\t\t\t}\n\t\t\t\t\t.fusion-content-boxes-4 .fusion-content-box-hover .link-area-box-hover .heading .icon > span {\n\t\t\t\t\t\tborder-color: #e9a825 !important;\n\t\t\t\t\t}<\/style><div class=\"fusion-column content-box-column content-box-column content-box-column-1 col-lg-12 col-md-12 col-sm-12 fusion-content-box-hover content-box-column-last content-box-column-last-in-row\"><div class=\"col content-box-wrapper content-wrapper link-area-box icon-hover-animation-fade\" style=\"background-color:rgba(255,255,255,0);\" data-animationOffset=\"100%\"><div class=\"heading icon-left\"><h2 class=\"content-box-heading\" style=\"font-size:23px;line-height:28px;\">Recommended books on code-breaking<\/h2><\/div><div class=\"fusion-clearfix\"><\/div><div class=\"content-container\" style=\"color:#707070;\">\n<p><a href=\"http:\/\/www.amazon.co.uk\/Secret-Life-Codes-Murderous-Maths\/dp\/1407107151\/ref=sr_1_1?s=books&amp;ie=UTF8&amp;qid=1316003120&amp;sr=1-1\"><strong>The Secret Life of Codes (Murderous Maths)\u00a0<\/strong>by Kjartan Poskitt<\/a>\u00a0Readers will learn how to encode and decode their own messages in as many ways as possible with Poskitt hilarious characters.<\/p>\n<p><a href=\"https:\/\/www.amazon.co.uk\/Code-Book-Secret-History-Code-breaking\/dp\/1857028899\/ref=sr_1_2?s=books&amp;ie=UTF8&amp;qid=1316003285&amp;sr=1-2\"><strong>The Code Book: The Secret History of Codes and Code-breaking by Simon Singh<\/strong><\/a>\u00a0Contains many fascinating accounts of code-breaking in action, from its use in unmasking the Man in the Iron Mask and the defeat of the Nazis to the breaking of a modern cipher system by a world-wide army of amateurs in 1994.<\/p>\n<p><strong><a href=\"https:\/\/www.amazon.co.uk\/Creating-Coding-Generation-Primary-Schools\/dp\/1138681199\/ref=sr_1_fkmr0_1?ie=UTF8&amp;qid=1528299953&amp;sr=8-1-fkmr0&amp;keywords=steve+humble+code+breaking\">Creating the Coding Generation in Primary Schools<\/a><\/strong> Dr Maths&#8217; (aka Steve Humble&#8217;s) book on code breaking.<\/p>\n<\/div><\/div><\/div><style type=\"text\/css\">\n\t\t\t\t\t\t.fusion-content-boxes-4 .fusion-content-box-hover .heading-link:hover .icon 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