{"id":13806,"date":"2022-12-16T12:33:17","date_gmt":"2022-12-16T12:33:17","guid":{"rendered":"https:\/\/www.mathsweek.ie\/2022\/?page_id=13806"},"modified":"2025-09-29T10:55:42","modified_gmt":"2025-09-29T10:55:42","slug":"murderous-maths-with-kjartan-poskitt-in-belvedere-house","status":"publish","type":"post","link":"https:\/\/www.mathsweek.ie\/2025\/murderous-maths-with-kjartan-poskitt-in-belvedere-house\/","title":{"rendered":"Murderous Maths &#8211; 2022"},"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;\"><style type=\"text\/css\">@media only screen and (max-width:1024px) {.fusion-title.fusion-title-1{margin-top:0%!important; margin-right:0px!important;margin-bottom:30px!important;margin-left:0px!important;}}@media only screen and (max-width:640px) {.fusion-title.fusion-title-1{margin-top:0px!important; margin-right:0px!important;margin-bottom:20px!important; margin-left:0px!important;}}<\/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;\"><div class=\"title-sep-container title-sep-container-left fusion-no-large-visibility fusion-no-medium-visibility fusion-no-small-visibility\"><div class=\"title-sep sep-single sep-solid\" style=\"border-color:#eaeaea;\"><\/div><\/div><h1 class=\"title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:50;line-height:1.2;\">Murderous Maths \u2013 2022<\/h1><div class=\"title-sep-container title-sep-container-right\"><div class=\"title-sep sep-single sep-solid\" style=\"border-color:#eaeaea;\"><\/div><\/div><\/div><div class=\"fusion-text fusion-text-1\"><p>Murderous Maths With Kjartan Poskitt in Belvedere College<\/p>\n<p>Photo: John Ohle Photography.<\/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-15 fusion-gallery-layout-grid fusion-gallery-1\" style=\"margin:-5px;\"><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\/2022\/12\/169-scaled.jpg\" 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\/2022\/12\/169-scaled.jpg\" width=\"2560\" height=\"1710\" alt=\"\" title=\"Magic of Maths talk by Kjartan Poskitt at Belvedere College.\" aria-label=\"Magic of Maths talk by Kjartan Poskitt at Belvedere College.\" class=\"img-responsive wp-image-13810\" srcset=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/169-200x134.jpg 200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/169-400x267.jpg 400w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/169-600x401.jpg 600w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/169-800x534.jpg 800w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/169-1200x802.jpg 1200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/169-scaled.jpg 2560w\" sizes=\"(min-width: 2200px) 100vw, (min-width: 824px) 410px, (min-width: 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\/2022\/12\/162-scaled.jpg\" 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\/2022\/12\/162-scaled.jpg\" width=\"2560\" height=\"1700\" alt=\"\" title=\"Kjartan Poskitt Belvedere College Maths Week 22\" aria-label=\"Kjartan Poskitt Belvedere College Maths Week 22\" class=\"img-responsive wp-image-13822\" srcset=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/162-200x133.jpg 200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/162-400x266.jpg 400w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/162-600x399.jpg 600w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/162-800x531.jpg 800w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/162-1200x797.jpg 1200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/162-scaled.jpg 2560w\" sizes=\"(min-width: 2200px) 100vw, (min-width: 824px) 410px, (min-width: 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\/2022\/12\/174-scaled.jpg\" 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\/2022\/12\/174-scaled.jpg\" width=\"2560\" height=\"1710\" alt=\"\" title=\"174Kjartan Poskitt Belvedere College Maths Week 22\" aria-label=\"174Kjartan Poskitt Belvedere College Maths Week 22\" class=\"img-responsive wp-image-13829\" srcset=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/174-200x134.jpg 200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/174-400x267.jpg 400w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/174-600x401.jpg 600w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/174-800x534.jpg 800w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/174-1200x802.jpg 1200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/174-scaled.jpg 2560w\" sizes=\"(min-width: 2200px) 100vw, (min-width: 824px) 410px, (min-width: 732px) 615px, (min-width: 640px) 732px, \" \/><\/a><\/div><\/div><div class=\"clearfix\"><\/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\/2022\/12\/145-scaled.jpg\" 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\/2022\/12\/145-scaled.jpg\" width=\"2560\" height=\"1700\" alt=\"\" title=\"Kjartan Poskitt Belvedere College Maths Week 22\" aria-label=\"Kjartan Poskitt Belvedere College Maths Week 22\" class=\"img-responsive wp-image-13813\" srcset=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/145-200x133.jpg 200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/145-400x266.jpg 400w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/145-600x399.jpg 600w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/145-800x531.jpg 800w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/145-1200x797.jpg 1200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/145-scaled.jpg 2560w\" sizes=\"(min-width: 2200px) 100vw, (min-width: 824px) 410px, (min-width: 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\/2022\/12\/166-scaled.jpg\" 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\/2022\/12\/166-scaled.jpg\" width=\"2560\" height=\"1710\" alt=\"\" title=\"Kjartan Poskitt Belvedere College Maths Week 22\" aria-label=\"Kjartan Poskitt Belvedere College Maths Week 22\" class=\"img-responsive wp-image-13825\" srcset=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/166-200x134.jpg 200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/166-400x267.jpg 400w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/166-600x401.jpg 600w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/166-800x534.jpg 800w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/166-1200x802.jpg 1200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/166-scaled.jpg 2560w\" sizes=\"(min-width: 2200px) 100vw, (min-width: 824px) 410px, (min-width: 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\/2022\/12\/157-scaled.jpg\" 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\/2022\/12\/157-scaled.jpg\" width=\"2560\" height=\"1700\" alt=\"\" title=\"Kjartan Poskitt Belvedere College Maths Week 22\" aria-label=\"Kjartan Poskitt Belvedere College Maths Week 22\" class=\"img-responsive wp-image-13811\" srcset=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/157-200x133.jpg 200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/157-400x266.jpg 400w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/157-600x399.jpg 600w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/157-800x531.jpg 800w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/157-1200x797.jpg 1200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/157-scaled.jpg 2560w\" sizes=\"(min-width: 2200px) 100vw, (min-width: 824px) 410px, (min-width: 732px) 615px, (min-width: 640px) 732px, \" \/><\/a><\/div><\/div><div class=\"clearfix\"><\/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\/2022\/12\/148-scaled.jpg\" 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\/2022\/12\/148-scaled.jpg\" width=\"2560\" height=\"1700\" alt=\"\" title=\"Kjartan Poskitt Belvedere College Maths Week 22\" aria-label=\"Kjartan Poskitt Belvedere College Maths Week 22\" class=\"img-responsive wp-image-13814\" srcset=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/148-200x133.jpg 200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/148-400x266.jpg 400w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/148-600x399.jpg 600w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/148-800x531.jpg 800w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/148-1200x797.jpg 1200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/148-scaled.jpg 2560w\" sizes=\"(min-width: 2200px) 100vw, (min-width: 824px) 410px, (min-width: 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\/2022\/12\/154-scaled.jpg\" 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\/2022\/12\/154-scaled.jpg\" width=\"2560\" height=\"1710\" alt=\"\" title=\"Kjartan Poskitt Belvedere College Maths Week 22\" aria-label=\"Kjartan Poskitt Belvedere College Maths Week 22\" class=\"img-responsive wp-image-13817\" srcset=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/154-200x134.jpg 200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/154-400x267.jpg 400w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/154-600x401.jpg 600w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/154-800x534.jpg 800w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/154-1200x802.jpg 1200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/154-scaled.jpg 2560w\" sizes=\"(min-width: 2200px) 100vw, (min-width: 824px) 410px, (min-width: 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\/2022\/12\/150-scaled.jpg\" 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\/2022\/12\/150-scaled.jpg\" width=\"2560\" height=\"1700\" alt=\"\" title=\"Kjartan Poskitt Belvedere College Maths Week 22\" aria-label=\"Kjartan Poskitt Belvedere College Maths Week 22\" class=\"img-responsive wp-image-13815\" srcset=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/150-200x133.jpg 200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/150-400x266.jpg 400w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/150-600x399.jpg 600w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/150-800x531.jpg 800w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/150-1200x797.jpg 1200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/150-scaled.jpg 2560w\" sizes=\"(min-width: 2200px) 100vw, (min-width: 824px) 410px, (min-width: 732px) 615px, (min-width: 640px) 732px, \" \/><\/a><\/div><\/div><div class=\"clearfix\"><\/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\/2022\/12\/161-scaled.jpg\" 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\/2022\/12\/161-scaled.jpg\" width=\"2560\" height=\"1700\" alt=\"\" title=\"Kjartan Poskitt Belvedere College Maths Week 22\" aria-label=\"Kjartan Poskitt Belvedere College Maths Week 22\" class=\"img-responsive wp-image-13821\" srcset=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/161-200x133.jpg 200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/161-400x266.jpg 400w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/161-600x399.jpg 600w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/161-800x531.jpg 800w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/161-1200x797.jpg 1200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/161-scaled.jpg 2560w\" sizes=\"(min-width: 2200px) 100vw, (min-width: 824px) 410px, (min-width: 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\/2022\/12\/163-scaled.jpg\" 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\/2022\/12\/163-scaled.jpg\" width=\"2560\" height=\"1710\" alt=\"\" title=\"Kjartan Poskitt Belvedere College Maths Week 22\" aria-label=\"Kjartan Poskitt Belvedere College Maths Week 22\" class=\"img-responsive wp-image-13823\" srcset=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/163-200x134.jpg 200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/163-400x267.jpg 400w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/163-600x401.jpg 600w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/163-800x534.jpg 800w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/163-1200x802.jpg 1200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/163-scaled.jpg 2560w\" sizes=\"(min-width: 2200px) 100vw, (min-width: 824px) 410px, (min-width: 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\/2022\/12\/164-scaled.jpg\" 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\/2022\/12\/164-scaled.jpg\" width=\"2560\" height=\"1710\" alt=\"\" title=\"164Kjartan Poskitt Belvedere College Maths Week 22\" aria-label=\"164Kjartan Poskitt Belvedere College Maths Week 22\" class=\"img-responsive wp-image-13824\" srcset=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/164-200x134.jpg 200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/164-400x267.jpg 400w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/164-600x401.jpg 600w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/164-800x534.jpg 800w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/164-1200x802.jpg 1200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/164-scaled.jpg 2560w\" sizes=\"(min-width: 2200px) 100vw, (min-width: 824px) 410px, (min-width: 732px) 615px, (min-width: 640px) 732px, \" \/><\/a><\/div><\/div><div class=\"clearfix\"><\/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\/2022\/12\/155-scaled.jpg\" 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\/2022\/12\/155-scaled.jpg\" width=\"2560\" height=\"1710\" alt=\"\" title=\"Kjartan Poskitt Belvedere College Maths Week 22\" aria-label=\"Kjartan Poskitt Belvedere College Maths Week 22\" class=\"img-responsive wp-image-13818\" srcset=\"https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/155-200x134.jpg 200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/155-400x267.jpg 400w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/155-600x401.jpg 600w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/155-800x534.jpg 800w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/155-1200x802.jpg 1200w, https:\/\/www.mathsweek.ie\/2025\/wp-content\/uploads\/2022\/12\/155-scaled.jpg 2560w\" sizes=\"(min-width: 2200px) 100vw, (min-width: 824px) 410px, (min-width: 732px) 615px, (min-width: 640px) 732px, \" \/><\/a><\/div><\/div><div style=\"padding:5px;\" 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