{"id":25593,"date":"2021-10-19T12:06:14","date_gmt":"2021-10-19T11:06:14","guid":{"rendered":"https:\/\/www.mathsweek.ie\/2026\/?p=25593"},"modified":"2026-10-21T12:10:33","modified_gmt":"2026-10-21T11:10:33","slug":"irish-times-maths-week-poster-2021","status":"publish","type":"post","link":"https:\/\/www.mathsweek.ie\/2026\/irish-times-maths-week-poster-2021\/","title":{"rendered":"Irish Times Maths Week Poster 2021"},"content":{"rendered":"<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-justify-content-center fusion-flex-content-wrap\" style=\"max-width:1289.6px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\"><h2 style=\"text-align: center;\">Irish Times Poster 2021<\/h2>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-2\"><p style=\"text-align: center;\"><strong style=\"font-size: 24px; color: #000000;\" data-fusion-font=\"true\">This year\u2019s Irish Times Poster features Climate Action.<\/strong><\/p>\n<p style=\"text-align: center;\"><strong style=\"font-size: 24px; color: #000000;\" data-fusion-font=\"true\">You can see answers to the puzzles below.<\/strong><\/p>\n<\/div><div class=\"fusion-text fusion-text-3\"><p><strong>Save Energy, Save Money<\/strong><br \/>\n<strong>Electrical appliances that generate heat or movement generally use the most electricity.<\/strong><\/p>\n<p>\uf0da Only fill your kettle for what you will need. Don\u2019t boil a full kettle for one cup of tea!<br \/>\n\uf0da Make sure your dishwater and washing machine are full before running.<br \/>\n\uf0da Dry clothes on a clothes horse if you can.<br \/>\n\uf0da Switch appliances off when you don\u2019t need them.<br \/>\n\uf0da Investigate how technology can help you.<\/p>\n<p><strong>Check out\u00a0<a href=\"https:\/\/www.seai.ie\/home-energy\/energy-saving-tips\/\" target=\"_blank\" rel=\"noopener\">Sustainable Energy Authority of Ireland <\/a><\/strong><strong>and\u00a0<a href=\"https:\/\/www.nidirect.gov.uk\/articles\/energy-efficiency-tips\" target=\"_blank\" rel=\"noopener\">NIdirect\u00a0<\/a><\/strong><strong>for more advice.<\/strong><\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element\" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-1 hover-type-zoomin\"><a class=\"fusion-no-lightbox\" href=\"https:\/\/www.mathsweek.ie\/2026\/wp-content\/uploads\/2021\/10\/Maths-Week-Irish-Times-poster-191021.pdf\" target=\"_blank\" aria-label=\"Maths Week Irish Times Poster 191021\" rel=\"noopener noreferrer\"><img decoding=\"async\" width=\"1249\" height=\"885\" src=\"https:\/\/www.mathsweek.ie\/2026\/wp-content\/uploads\/2021\/10\/Maths-Week-Irish-Times-Poster-191021.png\" alt class=\"img-responsive wp-image-10534\" srcset=\"https:\/\/www.mathsweek.ie\/2026\/wp-content\/uploads\/2021\/10\/Maths-Week-Irish-Times-Poster-191021-200x142.png 200w, https:\/\/www.mathsweek.ie\/2026\/wp-content\/uploads\/2021\/10\/Maths-Week-Irish-Times-Poster-191021-400x283.png 400w, https:\/\/www.mathsweek.ie\/2026\/wp-content\/uploads\/2021\/10\/Maths-Week-Irish-Times-Poster-191021-600x425.png 600w, https:\/\/www.mathsweek.ie\/2026\/wp-content\/uploads\/2021\/10\/Maths-Week-Irish-Times-Poster-191021-800x567.png 800w, https:\/\/www.mathsweek.ie\/2026\/wp-content\/uploads\/2021\/10\/Maths-Week-Irish-Times-Poster-191021-1200x850.png 1200w, https:\/\/www.mathsweek.ie\/2026\/wp-content\/uploads\/2021\/10\/Maths-Week-Irish-Times-Poster-191021.png 1249w\" sizes=\"(max-width: 1024px) 100vw, (max-width: 640px) 100vw, 600px\" \/><\/a><\/span><\/div><div class=\"fusion-text fusion-text-4\"><p>This poster was distributed with the Irish Times on Tuesday 19 October 2021.<\/p>\n<p><a href=\"https:\/\/www.mathsweek.ie\/2026\/wp-content\/uploads\/2021\/10\/Maths-Week-Irish-Times-poster-191021.pdf\">Click for a high resolution PDF.<\/a><\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:20px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-justify-content-center fusion-flex-content-wrap\" style=\"max-width:1289.6px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-3 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-section-separator section-separator slant fusion-section-separator-1\" style=\"--awb-spacer-height:99px;--awb-svg-margin-left:1.92%;--awb-svg-margin-right:1.92%;--awb-svg-margin-left-medium:1.92%;--awb-svg-margin-right-medium:1.92%;--awb-svg-margin-left-small:1.92%;--awb-svg-margin-right-small:1.92%;--awb-divider-height:99px;--awb-spacer-padding-top:inherit;--awb-sep-padding:0;--awb-svg-padding:0;\" id=\"irishposter\"><div class=\"fusion-section-separator-svg\"><svg class=\"fusion-slant-candy\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" version=\"1.1\" width=\"100%\" height=\"100\" viewBox=\"0 0 100 100\" preserveAspectRatio=\"none\" fill=\"rgba(0,188,212,0.35)\"><path d=\"M100 0 L100 100 L0 0 Z\"><\/path><\/svg><\/div><div class=\"fusion-section-separator-spacer\"><div class=\"fusion-section-separator-spacer-height\"><\/div><\/div><\/div><div class=\"fusion-text fusion-text-5\"><h3 class=\"content-box-heading fusion-responsive-typography-calculated\">Climate Action with Maths | Poster activity<\/h3>\n<\/div><div class=\"fusion-text fusion-text-6\"><h4 class=\"fusion-responsive-typography-calculated\" data-ccp-props=\"{\" data-fontsize=\"18\" data-lineheight=\"27px\">This poster was published with the Irish Times on 19 October 2021. The twin purposes are to encourage climate action and to show how useful maths is in our lives.<\/h4>\n<h4 class=\"fusion-responsive-typography-calculated\" data-ccp-props=\"{\" data-fontsize=\"18\" data-lineheight=\"27px\"><b><span data-usefontface=\"false\" data-contrast=\"none\">Introduction<\/span><\/b>\u200b<\/h4>\n<p>Our homes use energy and resources in lots of different ways. When looking to undertake positive Climate Actions you can make many small changes at home which can have a big impact in the future.<\/p>\n<h4><b><span data-contrast=\"auto\">BATHROOM:\u00a0<\/span><\/b><span data-ccp-props=\"{\">\u00a0<\/span><\/h4>\n<p><span data-contrast=\"auto\">Water is an extremely precious resource for our lives, and all life on Earth. The less water we use the better for our planet. Choose a quick shower instead of a bath. Avoid running the water while brushing your teeth.\u00a0<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">A 1-minute shower uses about 9 litres of water. How many litres of water do you use if you have a 5-minute shower?\u00a0<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<h4><b><span data-contrast=\"auto\">BEDROOM:\u00a0<\/span><\/b><span data-ccp-props=\"{\">\u00a0<\/span><\/h4>\n<p><span data-contrast=\"auto\">We all like to get new clothes, but making clothes has a big impact on the environment. You can mend old clothes and upcycle them to create new styles. You can also swap with your friends and buy second-hand to help our planet and reduce waste.\u00a0<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">You sew a square badge onto your jacket. The sides are 2.5cm long and you use 15cm of thread. How much thread would you expect to use for a square badge with sides 4cm long?\u00a0<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<h4><b><span data-contrast=\"auto\">KITCHEN:\u00a0<\/span><\/b><span data-ccp-props=\"{\">\u00a0<\/span><\/h4>\n<p><span data-contrast=\"auto\">Think twice every time you go to throw something in the bin. Could it be reused? Could it be recycled? Also think, could we make wiser choices when we go shopping? Reducing food waste is a climate action that will also save you money.\u00a0<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">One kg of food waste could represent 3.6 kg of CO<\/span><span data-contrast=\"auto\">2<\/span><span data-contrast=\"auto\">\u00a0Emissions. If a household producing 200 kg of food waste every year reduces that waste to 100kg, how much CO<\/span><span data-contrast=\"auto\">2<\/span><span data-contrast=\"auto\">\u00a0is saved?<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<h4><b><span data-contrast=\"auto\">LIVING ROOM:\u00a0<\/span><\/b><span data-ccp-props=\"{\">\u00a0<\/span><\/h4>\n<p><span data-contrast=\"auto\">Did you know that your game console or your TV in standby mode still uses electricity? The standby mode for a TV can consume up to 20% of the energy consumed by the appliance when it is on.\u00a0<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Electricity usage is measured in kilowatt-hours (kWh). If an appliance of 1 kilowatt (1000 watts) power runs for an hour it uses 1 kWh.\u00a0<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">If your console on standby uses 1 watt of power, and you keep it in that mode for an average of 16 hours a day, how many kWh would it consume in a year? How much energy would be wasted if everyone in your class also did this?<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<h4><b><span data-contrast=\"auto\">BICYCLE:<\/span><\/b><span data-ccp-props=\"{\">\u00a0<\/span><\/h4>\n<p><span data-contrast=\"auto\">It is better to use public transport than for us all to use cars. Can you think why? Cycling or walking, if it is safe to do so, is even better for our climate and our health.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">You need to arrive at school on time at 9 o\u2019clock and your school is 1 km away. You know that walking quickly you can cover 100 meters in 1 minute. When do you need to leave your house?<\/span><\/p>\n<h4><b><span data-contrast=\"auto\">CAR:\u00a0<\/span><\/b><span data-ccp-props=\"{\">\u00a0<\/span><\/h4>\n<p><span data-contrast=\"auto\">Cars that run on electricity have no emissions, but the overall benefit to the environment depends on the sources of the electricity used to charge their batteries and how these batteries are made and finally disposed.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><span data-contrast=\"auto\">\u00a0<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">A typical family car might emit 112 grams of CO<\/span><span data-contrast=\"auto\">2<\/span><span data-contrast=\"auto\">\u00a0for every kilometre driven. A typical car drives 17,000 kilometres. How much CO<\/span><span data-contrast=\"auto\">2<\/span><span data-contrast=\"auto\">\u00a0would you expect to be released in a year by that car?<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<\/div><div class=\"fusion-text fusion-text-7\"><h3 class=\"fusion-responsive-typography-calculated\" data-fontsize=\"50\" data-lineheight=\"60px\">Answers<\/h3>\n<p><strong>BEDROOM<\/strong>\u00a0[24 cm]<\/p>\n<p><strong>BATHROOM\u00a0<\/strong>[45 l]<\/p>\n<p><strong>KITCHEN<\/strong>\u00a0[360 kg]<\/p>\n<p><strong>LIVING ROOM\u00a0<\/strong>[5.84 kWh]<\/p>\n<p><strong>BICYCLE\u00a0<\/strong>[8:50]<\/p>\n<p><strong>CAR\u00a0<\/strong>[1904 kg]<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":611,"featured_media":10534,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_vp_format_video_url":"","_vp_image_focal_point":[],"footnotes":""},"categories":[44],"tags":[645,1346,253,1213],"class_list":["post-25593","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-resources","tag-645","tag-irish-times","tag-maths-week","tag-posters"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Irish Times Maths Week Poster 2021 &#8211; MATHS WEEK IRELAND<\/title>\n<meta name=\"description\" content=\"Maths Week will take place from 10-18 October 2026. 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