{"id":22878,"date":"2025-10-22T10:30:23","date_gmt":"2025-10-22T09:30:23","guid":{"rendered":"https:\/\/www.mathsweek.ie\/2025\/?p=22878"},"modified":"2025-10-22T10:30:23","modified_gmt":"2025-10-22T09:30:23","slug":"maths-in-the-city-guildhall-derry","status":"publish","type":"post","link":"https:\/\/www.mathsweek.ie\/2025\/maths-in-the-city-guildhall-derry\/","title":{"rendered":"Maths in the city &#8211; Guildhall Derry"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"background-color: rgba(255,255,255,0);background-position: center center;background-repeat: no-repeat;border-width: 0px 0px 0px 0px;border-color:#eaeaea;border-style:solid;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start\" 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\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\" 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 id=\"ep_single_event_title\" class=\"ep-fw-bold ep-fs-2 ep-mt-3 ep-border-left ep-border-3 ep-border-warning ep-ps-3 ep-text-break fusion-responsive-typography-calculated\" data-fontsize=\"32\" data-lineheight=\"41.28px\">Maths in the City &#8211; Guildhall Derry by lorcan Doherty<\/p>\n<\/div><style type=\"text\/css\">.fusion-gallery-1 .fusion-gallery-image {border:0px solid #f6f6f6;}<\/style><div class=\"fusion-gallery fusion-gallery-container fusion-grid-3 fusion-columns-total-17 fusion-gallery-layout-grid fusion-gallery-1\" 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https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2025\/10\/Maths-in-the-City-in-Dooradoyle-Library-3-200x355.webp 200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2025\/10\/Maths-in-the-City-in-Dooradoyle-Library-3-400x710.webp 400w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2025\/10\/Maths-in-the-City-in-Dooradoyle-Library-3-500x888.webp 500w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2025\/10\/Maths-in-the-City-in-Dooradoyle-Library-3-577x1024.webp 577w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2025\/10\/Maths-in-the-City-in-Dooradoyle-Library-3-600x1066.webp 600w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2025\/10\/Maths-in-the-City-in-Dooradoyle-Library-3-768x1364.webp 768w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2025\/10\/Maths-in-the-City-in-Dooradoyle-Library-3-800x1421.webp 800w, 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732px) 615px, (min-width: 640px) 732px, \" \/><\/a><\/div><\/div><div style=\"padding:5px;\" class=\"fusion-grid-column fusion-gallery-column fusion-gallery-column-3 hover-type-none\"><div class=\"fusion-gallery-image\"><a href=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2025\/10\/2025-Guildhall-Derry-Maths-in-the-city-pictures-by-lorcan-Doherty-4-scaled.webp\" rel=\"noreferrer\" data-rel=\"iLightbox[gallery_image_1]\" class=\"fusion-lightbox\" target=\"_self\"><img decoding=\"async\" src=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2025\/10\/2025-Guildhall-Derry-Maths-in-the-city-pictures-by-lorcan-Doherty-4-scaled.webp\" width=\"1707\" height=\"2560\" alt=\"2025 Guildhall Derry, Maths in the city pictures by lorcan Doherty 4\" title=\"\" aria-label=\"\" class=\"img-responsive wp-image-22882\" srcset=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2025\/10\/2025-Guildhall-Derry-Maths-in-the-city-pictures-by-lorcan-Doherty-4-200x300.webp 200w, 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srcset=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2025\/10\/2025-Guildhall-Derry-Maths-in-the-city-pictures-by-lorcan-Doherty-9-200x133.webp 200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2025\/10\/2025-Guildhall-Derry-Maths-in-the-city-pictures-by-lorcan-Doherty-9-300x200.webp 300w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2025\/10\/2025-Guildhall-Derry-Maths-in-the-city-pictures-by-lorcan-Doherty-9-400x267.webp 400w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2025\/10\/2025-Guildhall-Derry-Maths-in-the-city-pictures-by-lorcan-Doherty-9-500x333.webp 500w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2025\/10\/2025-Guildhall-Derry-Maths-in-the-city-pictures-by-lorcan-Doherty-9-600x400.webp 600w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2025\/10\/2025-Guildhall-Derry-Maths-in-the-city-pictures-by-lorcan-Doherty-9-768x512.webp 768w, 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title=\"\" aria-label=\"\" class=\"img-responsive wp-image-22888\" srcset=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2025\/10\/2025-Guildhall-Derry-Maths-in-the-city-pictures-by-lorcan-Doherty-10-200x166.webp 200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2025\/10\/2025-Guildhall-Derry-Maths-in-the-city-pictures-by-lorcan-Doherty-10-300x249.webp 300w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2025\/10\/2025-Guildhall-Derry-Maths-in-the-city-pictures-by-lorcan-Doherty-10-400x332.webp 400w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2025\/10\/2025-Guildhall-Derry-Maths-in-the-city-pictures-by-lorcan-Doherty-10-500x415.webp 500w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2025\/10\/2025-Guildhall-Derry-Maths-in-the-city-pictures-by-lorcan-Doherty-10-600x498.webp 600w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2025\/10\/2025-Guildhall-Derry-Maths-in-the-city-pictures-by-lorcan-Doherty-10-768x637.webp 768w, 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src=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2025\/10\/2025-Guildhall-Derry-Maths-in-the-city-pictures-by-lorcan-Doherty-13-scaled.webp\" width=\"2560\" height=\"1707\" alt=\"2025 Guildhall Derry, Maths in the city pictures by lorcan Doherty 13\" title=\"\" aria-label=\"\" class=\"img-responsive wp-image-22891\" srcset=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2025\/10\/2025-Guildhall-Derry-Maths-in-the-city-pictures-by-lorcan-Doherty-13-200x133.webp 200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2025\/10\/2025-Guildhall-Derry-Maths-in-the-city-pictures-by-lorcan-Doherty-13-300x200.webp 300w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2025\/10\/2025-Guildhall-Derry-Maths-in-the-city-pictures-by-lorcan-Doherty-13-400x267.webp 400w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2025\/10\/2025-Guildhall-Derry-Maths-in-the-city-pictures-by-lorcan-Doherty-13-500x333.webp 500w, 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0px;}<\/style><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":600,"featured_media":22892,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"gallery","meta":{"_acf_changed":false,"_vp_format_video_url":"","_vp_image_focal_point":[],"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[616],"tags":[1033,1198,910,1199,538],"class_list":["post-22878","post","type-post","status-publish","format-gallery","has-post-thumbnail","hentry","category-gallery","tag-1033","tag-2025-guildhall-derry","tag-andrew-jeffery","tag-lorcan-doherty-19","tag-maths-in-the-city","post_format-post-format-gallery"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Maths in the city - Guildhall Derry &#8211; MATHS WEEK IRELAND<\/title>\n<meta name=\"description\" content=\"Maths Week will take place from 11 - 29 Oct. 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