{"id":18947,"date":"2025-09-30T17:27:02","date_gmt":"2025-09-30T15:27:02","guid":{"rendered":"https:\/\/scm.iec.cat\/?p=18947"},"modified":"2025-10-27T05:42:47","modified_gmt":"2025-10-27T04:42:47","slug":"contrarellotge-matematica-2025-quatre-diumenges-doctubre-plens-de-reptes-en-linia","status":"publish","type":"post","link":"https:\/\/scm.iec.cat\/eng\/contrarellotge-matematica-2025-quatre-diumenges-doctubre-plens-de-reptes-en-linia\/","title":{"rendered":"Mathematical Time Trial 2025: Sundays in October with online challenges"},"content":{"rendered":"<h3 data-start=\"661\" data-end=\"716\">Four Sundays, four levels, one challenge<\/h3>\n<p data-start=\"718\" data-end=\"1016\">The <strong data-start=\"721\" data-end=\"764\">Catalan Society of Mathematics (SCM)<\/strong> this course is organized by <strong data-start=\"790\" data-end=\"824\">Mathematical Time Trial 2025<\/strong>, an online contest that combines speed, ingenuity and a passion for numbers. The tests will take place <strong data-start=\"919\" data-end=\"963\">on Sundays in October from 7:00 PM to 8:00 PM<\/strong> and will be adapted to different educational levels.<\/p>\n<p data-start=\"1018\" data-end=\"1047\">The schedule is as follows:<\/p>\n<ul data-start=\"1048\" data-end=\"1245\">\n<li data-start=\"1048\" data-end=\"1098\">\n<p data-start=\"1050\" data-end=\"1098\"><strong data-start=\"1050\" data-end=\"1066\">October 5:<\/strong> students up to 6th grade of primary school.<\/p>\n<\/li>\n<li data-start=\"1099\" data-end=\"1144\">\n<p data-start=\"1101\" data-end=\"1144\"><strong data-start=\"1101\" data-end=\"1118\">October 12:<\/strong> students up to 2nd year of ESO.<\/p>\n<\/li>\n<li data-start=\"1145\" data-end=\"1190\">\n<p data-start=\"1147\" data-end=\"1190\"><strong data-start=\"1147\" data-end=\"1164\">October 19:<\/strong> students up to 4th year of ESO.<\/p>\n<\/li>\n<li data-start=\"1191\" data-end=\"1245\">\n<p data-start=\"1193\" data-end=\"1245\"><strong data-start=\"1193\" data-end=\"1210\">October 26:<\/strong> students up to 2nd year of high school.<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"1247\" data-end=\"1280\">Operation and participants<\/h3>\n<p data-start=\"1282\" data-end=\"1474\">Each time trial consists of <strong data-start=\"1316\" data-end=\"1343\">15 multiple-choice problems<\/strong> to be solved in <strong data-start=\"1364\" data-end=\"1377\">50 minutes<\/strong>. Correct answers earn points, and speed is rewarded with extra ranking points.<\/p>\n<p data-start=\"1476\" data-end=\"1642\">Although each session is designed for a specific level, <strong data-start=\"1564\" data-end=\"1588\">younger students<\/strong> or <strong data-start=\"1594\" data-end=\"1615\">older users<\/strong> may also participate in an open contest format.<\/p>\n<h3 data-start=\"1644\" data-end=\"1679\">Pre-registration and training<\/h3>\n<p data-start=\"1681\" data-end=\"1960\">Pre-registration is now open <strong data-start=\"1702\" data-end=\"1746\">through the official website<\/strong> \u00a0<a class=\"decorated-link\" href=\"https:\/\/contrarellotge.scm.cat\/\" target=\"_new\" rel=\"noopener\" data-start=\"1750\" data-end=\"1807\">contrarellotge.scm.cat<\/a>. Registered participants will receive all updated information and, in addition, will have access to <strong data-start=\"1897\" data-end=\"1934\">past editions for training<\/strong> before the competition.<\/p>\n<p data-start=\"1967\" data-end=\"2200\">This activity is part of the SCM's initiative to offer <strong data-start=\"2029\" data-end=\"2076\">free and online mathematical challenges<\/strong> aimed at all ages, with the goal of fostering interest in mathematics in a fun and motivating environment.<\/p>","protected":false},"excerpt":{"rendered":"<p>Quatre diumenges, quatre nivells, un mateix repte La Societat Catalana de Matem\u00e0tiques (SCM) organitza aquest curs la Contrarellotge Matem\u00e0tica 2025, un concurs en l\u00ednia que combina velocitat, enginy i passi\u00f3 pels n\u00fameros. Les proves es faran els diumenges d\u2019octubre de 19:00 a 20:00 i estaran adaptades a diferents nivells educatius. El calendari \u00e9s el seg\u00fcent: [&hellip;]<\/p>\n","protected":false},"author":26,"featured_media":18903,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[98],"class_list":["post-18947","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sin-categoria","tag-concursos"],"acf":[],"_links":{"self":[{"href":"https:\/\/scm.iec.cat\/eng\/wp-json\/wp\/v2\/posts\/18947","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/scm.iec.cat\/eng\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/scm.iec.cat\/eng\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/scm.iec.cat\/eng\/wp-json\/wp\/v2\/users\/26"}],"replies":[{"embeddable":true,"href":"https:\/\/scm.iec.cat\/eng\/wp-json\/wp\/v2\/comments?post=18947"}],"version-history":[{"count":2,"href":"https:\/\/scm.iec.cat\/eng\/wp-json\/wp\/v2\/posts\/18947\/revisions"}],"predecessor-version":[{"id":19493,"href":"https:\/\/scm.iec.cat\/eng\/wp-json\/wp\/v2\/posts\/18947\/revisions\/19493"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/scm.iec.cat\/eng\/wp-json\/wp\/v2\/media\/18903"}],"wp:attachment":[{"href":"https:\/\/scm.iec.cat\/eng\/wp-json\/wp\/v2\/media?parent=18947"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/scm.iec.cat\/eng\/wp-json\/wp\/v2\/categories?post=18947"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/scm.iec.cat\/eng\/wp-json\/wp\/v2\/tags?post=18947"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}