{"id":6306,"date":"2026-10-08T23:13:23","date_gmt":"2026-10-08T21:13:23","guid":{"rendered":"https:\/\/lycee-raynouard.fr\/?p=6306"},"modified":"2026-10-08T23:13:23","modified_gmt":"2026-10-08T21:13:23","slug":"math-en-jeans-au-lycee-raynouard","status":"publish","type":"post","link":"https:\/\/lycee-raynouard.fr\/index.php\/2026\/10\/08\/math-en-jeans-au-lycee-raynouard\/","title":{"rendered":"MATh.en.JEANS au Lyc\u00e9e Raynouard"},"content":{"rendered":"\n\n\n\n\n<article class=\"ray-mej\">\n\n  <!-- ========================================= -->\n  <!-- BANDEAU D'INTRODUCTION                   -->\n  <!-- ========================================= -->\n\n  <header class=\"ray-mej-hero\">\n\n    <span class=\"ray-mej-kicker\">\n      MATH\u00c9MATIQUES \u2022 RECHERCHE \u2022 INNOVATION\n    <\/span>\n\n    <h2>\n      MATh.en.JEANS : quand les \u00e9l\u00e8ves\n      deviennent chercheurs !\n    <\/h2>\n\n    <p>\n      Au Lyc\u00e9e Polyvalent Raynouard de Brignoles,\n      les math\u00e9matiques prennent une autre\n      dimension : chercher, exp\u00e9rimenter,\n      collaborer et partager ses d\u00e9couvertes.\n    <\/p>\n\n  <\/header>\n\n\n  <!-- ========================================= -->\n  <!-- INTRODUCTION                            -->\n  <!-- ========================================= -->\n\n  <section class=\"ray-mej-intro\">\n\n    <p>\n      <strong>\n        Et si les math\u00e9matiques ne consistaient\n        pas seulement \u00e0 r\u00e9soudre des exercices,\n        mais aussi \u00e0 explorer des probl\u00e8mes\n        dont personne ne conna\u00eet imm\u00e9diatement\n        la solution ?\n      <\/strong>\n    <\/p>\n\n    <p>\n      C&rsquo;est tout l&rsquo;esprit de\n      <strong>MATh.en.JEANS<\/strong>, un dispositif\n      p\u00e9dagogique original qui invite les\n      coll\u00e9giens et les lyc\u00e9ens \u00e0 d\u00e9couvrir\n      la recherche math\u00e9matique.\n    <\/p>\n\n    <p>\n      Au Lyc\u00e9e Polyvalent Raynouard de Brignoles,\n      cette d\u00e9marche a d\u00e9j\u00e0 donn\u00e9 lieu \u00e0\n      des projets passionnants, permettant\n      aux \u00e9l\u00e8ves de d\u00e9velopper leur curiosit\u00e9,\n      leur cr\u00e9ativit\u00e9 et leur esprit scientifique.\n    <\/p>\n\n  <\/section>\n\n\n  <!-- ========================================= -->\n  <!-- DECOUVRIR LE DISPOSITIF                  -->\n  <!-- ========================================= -->\n\n  <section>\n\n    <h2>\n      MATh.en.JEANS : les math\u00e9matiques autrement\n    <\/h2>\n\n    <p>\n      Lanc\u00e9 en 1989, MATh.en.JEANS propose\n      une approche des math\u00e9matiques\n      inspir\u00e9e du fonctionnement r\u00e9el\n      de la recherche scientifique.\n    <\/p>\n\n    <p>\n      Des \u00e9l\u00e8ves volontaires travaillent\n      en petits groupes sur des probl\u00e8mes\n      propos\u00e9s par des chercheurs.\n      Accompagn\u00e9s par leurs enseignants,\n      ils \u00e9laborent des hypoth\u00e8ses,\n      testent des solutions et confrontent\n      leurs id\u00e9es.\n    <\/p>\n\n    <div class=\"ray-mej-grid\">\n\n      <div class=\"ray-mej-card\">\n\n        <h3>Observer et questionner<\/h3>\n\n        <p>\n          Partir d&rsquo;un probl\u00e8me, analyser\n          une situation et formuler\n          de nouvelles questions.\n        <\/p>\n\n      <\/div>\n\n      <div class=\"ray-mej-card\">\n\n        <h3>Exp\u00e9rimenter<\/h3>\n\n        <p>\n          Tester diff\u00e9rentes hypoth\u00e8ses,\n          utiliser des outils math\u00e9matiques\n          et apprendre de ses erreurs.\n        <\/p>\n\n      <\/div>\n\n      <div class=\"ray-mej-card\">\n\n        <h3>Collaborer<\/h3>\n\n        <p>\n          \u00c9changer ses id\u00e9es, confronter\n          ses raisonnements et construire\n          des solutions collectivement.\n        <\/p>\n\n      <\/div>\n\n      <div class=\"ray-mej-card\">\n\n        <h3>Communiquer<\/h3>\n\n        <p>\n          Pr\u00e9senter ses recherches,\n          argumenter ses r\u00e9sultats\n          et expliquer sa d\u00e9marche\n          devant un public.\n        <\/p>\n\n      <\/div>\n\n    <\/div>\n\n  <\/section>\n\n\n  <!-- ========================================= -->\n  <!-- HISTOIRE AU LYCEE RAYNOUARD              -->\n  <!-- ========================================= -->\n\n  <section>\n\n    <h2>\n      Une exp\u00e9rience d\u00e9j\u00e0 v\u00e9cue au Lyc\u00e9e Raynouard\n    <\/h2>\n\n    <p>\n      Le Lyc\u00e9e Raynouard a d\u00e9j\u00e0 particip\u00e9\n      \u00e0 cette aventure scientifique,\n      notamment \u00e0 travers son\n      <strong>atelier MATh.en.JEANS 2022<\/strong>.\n    <\/p>\n\n    <p>\n      Les \u00e9l\u00e8ves ont travaill\u00e9 sur plusieurs\n      sujets de recherche originaux,\n      montrant que les math\u00e9matiques\n      peuvent intervenir dans des situations\n      tr\u00e8s vari\u00e9es.\n    <\/p>\n\n    <div class=\"ray-mej-highlight\">\n\n      <h3>\n        Quelques recherches r\u00e9alis\u00e9es\n        par les lyc\u00e9ens\n      <\/h3>\n\n      <ul>\n        <li>\n          <strong>Le jeu de Nim :<\/strong>\n          rechercher des strat\u00e9gies gagnantes.\n        <\/li>\n\n        <li>\n          <strong>Les tableaux de Vasarely :<\/strong>\n          explorer les liens entre\n          g\u00e9om\u00e9trie et cr\u00e9ation artistique.\n        <\/li>\n\n        <li>\n          <strong>Le planning d&rsquo;un pizza\u00efolo :<\/strong>\n          r\u00e9soudre un probl\u00e8me d&rsquo;organisation.\n        <\/li>\n\n        <li>\n          <strong>Une feuille A4 :<\/strong>\n          rechercher comment obtenir\n          le plus grand volume possible.\n        <\/li>\n\n        <li>\n          <strong>Les extraterrestres :<\/strong>\n          r\u00e9fl\u00e9chir \u00e0 des probl\u00e8mes\n          de communication.\n        <\/li>\n      <\/ul>\n\n    <\/div>\n\n    <p>\n      Ces activit\u00e9s invitent les \u00e9l\u00e8ves\n      \u00e0 d\u00e9passer le cadre traditionnel\n      des exercices scolaires\n      pour construire leurs propres\n      raisonnements.\n    <\/p>\n\n    <div class=\"ray-mej-actions\">\n\n      <a\n        class=\"ray-mej-btn\"\n        href=\"https:\/\/lycee-raynouard.fr\/index.php\/2022\/04\/25\/atelier-mathenjeans-2022\/\">\n        D\u00e9couvrir l&rsquo;atelier Raynouard 2022\n        &#8594;\n      <\/a>\n\n    <\/div>\n\n  <\/section>\n\n\n  <!-- ========================================= -->\n  <!-- COMMENT SE DEROULE UN ATELIER ?          -->\n  <!-- ========================================= -->\n\n  <section>\n\n    <h2>\n      Comment se d\u00e9roule un atelier MATh.en.JEANS ?\n    <\/h2>\n\n    <p>\n      Le fonctionnement d&rsquo;un atelier\n      s&rsquo;organise g\u00e9n\u00e9ralement autour\n      de trois grandes \u00e9tapes.\n    <\/p>\n\n    <div class=\"ray-mej-steps\">\n\n      <div class=\"ray-mej-step\">\n\n        <div class=\"ray-mej-number\">1<\/div>\n\n        <h3>\n          Chercher\n        <\/h3>\n\n        <p>\n          Les \u00e9l\u00e8ves d\u00e9couvrent\n          un probl\u00e8me math\u00e9matique,\n          travaillent en groupe et\n          explorent plusieurs pistes.\n        <\/p>\n\n      <\/div>\n\n      <div class=\"ray-mej-step\">\n\n        <div class=\"ray-mej-number\">2<\/div>\n\n        <h3>\n          \u00c9changer\n        <\/h3>\n\n        <p>\n          Ils rencontrent les chercheurs,\n          pr\u00e9sentent leurs id\u00e9es et\n          font \u00e9voluer leurs raisonnements.\n        <\/p>\n\n      <\/div>\n\n      <div class=\"ray-mej-step\">\n\n        <div class=\"ray-mej-number\">3<\/div>\n\n        <h3>\n          Pr\u00e9senter\n        <\/h3>\n\n        <p>\n          Ils pr\u00e9parent leurs r\u00e9sultats\n          pour les communiquer\n          lors d&rsquo;un congr\u00e8s scientifique.\n        <\/p>\n\n      <\/div>\n\n    <\/div>\n\n  <\/section>\n\n\n  <!-- ========================================= -->\n  <!-- CONGRES                                  -->\n  <!-- ========================================= -->\n\n  <section>\n\n    <h2>\n      Le congr\u00e8s : devenir chercheur le temps\n      d&rsquo;une pr\u00e9sentation\n    <\/h2>\n\n    <p>\n      L&rsquo;un des temps forts du dispositif\n      est le congr\u00e8s MATh.en.JEANS.\n    <\/p>\n\n    <p>\n      Des \u00e9l\u00e8ves de diff\u00e9rents \u00e9tablissements\n      s&rsquo;y retrouvent pour pr\u00e9senter\n      leurs travaux devant d&rsquo;autres\n      lyc\u00e9ens, des enseignants\n      et des scientifiques.\n    <\/p>\n\n    <p>\n      \u00c0 travers des stands,\n      des affiches et des expos\u00e9s,\n      ils apprennent \u00e0 expliquer\n      leur d\u00e9marche, \u00e0 r\u00e9pondre\n      aux questions et \u00e0 d\u00e9fendre\n      leurs conclusions.\n    <\/p>\n\n    <div class=\"ray-mej-highlight\">\n\n      <p>\n        <strong>\n          Au Lyc\u00e9e Raynouard, l&rsquo;atelier 2022\n          a notamment particip\u00e9 au congr\u00e8s\n          d&rsquo;Avignon.\n        <\/strong>\n      <\/p>\n\n      <p>\n        Cette exp\u00e9rience permet aux \u00e9l\u00e8ves\n        de d\u00e9couvrir un environnement\n        scientifique stimulant et\n        de partager le r\u00e9sultat\n        de plusieurs mois de recherche.\n      <\/p>\n\n    <\/div>\n\n  <\/section>\n\n\n  <!-- ========================================= -->\n  <!-- COMPETENCES                             -->\n  <!-- ========================================= -->\n\n  <section>\n\n    <h2>\n      Des comp\u00e9tences utiles bien au-del\u00e0\n      des math\u00e9matiques\n    <\/h2>\n\n    <p>\n      Participer \u00e0 MATh.en.JEANS,\n      c&rsquo;est aussi acqu\u00e9rir\n      des comp\u00e9tences importantes\n      pour la r\u00e9ussite scolaire\n      et la poursuite d&rsquo;\u00e9tudes.\n    <\/p>\n\n    <ul>\n      <li>\n        <strong>Autonomie :<\/strong>\n        apprendre \u00e0 organiser\n        son propre travail.\n      <\/li>\n\n      <li>\n        <strong>Esprit critique :<\/strong>\n        v\u00e9rifier les hypoth\u00e8ses\n        et justifier les r\u00e9sultats.\n      <\/li>\n\n      <li>\n        <strong>Travail d&rsquo;\u00e9quipe :<\/strong>\n        \u00e9couter, partager et\n        construire collectivement.\n      <\/li>\n\n      <li>\n        <strong>Cr\u00e9ativit\u00e9 :<\/strong>\n        imaginer diff\u00e9rentes m\u00e9thodes\n        de r\u00e9solution.\n      <\/li>\n\n      <li>\n        <strong>Expression orale :<\/strong>\n        pr\u00e9senter clairement\n        une d\u00e9marche scientifique.\n      <\/li>\n\n      <li>\n        <strong>Pers\u00e9v\u00e9rance :<\/strong>\n        accepter les difficult\u00e9s\n        et progresser gr\u00e2ce aux erreurs.\n      <\/li>\n    <\/ul>\n\n    <p>\n      Cette approche montre que\n      les math\u00e9matiques sont une\n      discipline vivante, accessible\n      et ouverte sur le monde.\n    <\/p>\n\n  <\/section>\n\n\n  <!-- ========================================= -->\n  <!-- VIDEO DE PRESENTATION                    -->\n  <!-- ========================================= -->\n\n  <section>\n\n    <h2>\n      MATh.en.JEANS : d\u00e9couvrez le dispositif\n      en vid\u00e9o\n    <\/h2>\n\n    <p>\n      Comment les \u00e9l\u00e8ves deviennent-ils\n      apprentis chercheurs ?\n      Comment se d\u00e9roule une recherche\n      math\u00e9matique au coll\u00e8ge ou au lyc\u00e9e ?\n    <\/p>\n\n    <p>\n      D\u00e9couvrez cette vid\u00e9o de pr\u00e9sentation\n      du dispositif MATh.en.JEANS.\n    <\/p>\n\n    <div class=\"ray-mej-video\">\n\n      <div class=\"ray-mej-video-frame\">\n\n        <iframe\n          src=\"https:\/\/www.youtube-nocookie.com\/embed\/m3A-BONC4SA\"\n          title=\"Pr\u00e9sentation du dispositif MATh.en.JEANS\"\n          loading=\"lazy\"\n          referrerpolicy=\"strict-origin-when-cross-origin\"\n          allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\"\n          allowfullscreen>\n        <\/iframe>\n\n      <\/div>\n\n      <p class=\"ray-mej-video-note\">\n        Vid\u00e9o h\u00e9berg\u00e9e sur YouTube.\n        Sa lecture peut entra\u00eener\n        le traitement de donn\u00e9es\n        par un service tiers.\n      <\/p>\n\n    <\/div>\n\n    <div class=\"ray-mej-actions\">\n\n      <a\n        class=\"ray-mej-btn\"\n        href=\"https:\/\/www.youtube.com\/watch?v=m3A-BONC4SA\"\n        target=\"_blank\"\n        rel=\"noopener noreferrer\">\n        Voir la vid\u00e9o sur YouTube &#8599;\n      <\/a>\n\n    <\/div>\n\n  <\/section>\n\n\n  <!-- ========================================= -->\n  <!-- RESSOURCES OFFICIELLES                   -->\n  <!-- ========================================= -->\n\n  <section>\n\n    <h2>\n      Pour aller plus loin\n    <\/h2>\n\n    <p>\n      Vous souhaitez d\u00e9couvrir\n      d&rsquo;autres projets scientifiques,\n      comprendre le fonctionnement\n      des ateliers ou consulter\n      les recherches r\u00e9alis\u00e9es\n      par les \u00e9l\u00e8ves ?\n    <\/p>\n\n    <div class=\"ray-mej-actions\">\n\n      <a\n        class=\"ray-mej-btn ray-mej-btn-green\"\n        href=\"https:\/\/www.mathenjeans.fr\/\"\n        target=\"_blank\"\n        rel=\"noopener noreferrer\">\n        Site officiel MATh.en.JEANS &#8599;\n      <\/a>\n\n      <a\n        class=\"ray-mej-btn\"\n        href=\"https:\/\/lycee-raynouard.fr\/index.php\/2022\/04\/25\/atelier-mathenjeans-2022\/\">\n        Les projets du Lyc\u00e9e Raynouard &#8594;\n      <\/a>\n\n    <\/div>\n\n  <\/section>\n\n\n  <!-- ========================================= -->\n  <!-- CONCLUSION                              -->\n  <!-- ========================================= -->\n\n  <section class=\"ray-mej-conclusion\">\n\n    <h2>\n      Au Lyc\u00e9e Raynouard,\n      les math\u00e9matiques se vivent aussi !\n    <\/h2>\n\n    <p>\n      Avec MATh.en.JEANS,\n      les \u00e9l\u00e8ves d\u00e9couvrent\n      une autre mani\u00e8re d&rsquo;apprendre :\n      chercher ensemble, exp\u00e9rimenter,\n      prendre des initiatives\n      et partager leurs d\u00e9couvertes.\n    <\/p>\n\n    <p>\n      <strong>\n        Une belle aventure scientifique\n        qui donne tout son sens\n        \u00e0 la curiosit\u00e9, au raisonnement\n        et au plaisir de chercher !\n      <\/strong>\n    <\/p>\n\n  <\/section>\n\n<\/article>\n\n<style class=\"advgb-styles-renderer\">\n\/* ================================================\n   ARTICLE MATh.en.JEANS - LYCEE RAYNOUARD\n   Compatible WordPress \/ Graphene\n   Responsive - CSS limite a l'article\n================================================ *\/\n\n.ray-mej {\n  --ray-navy: #062b59;\n  --ray-green: #79b928;\n  --ray-light: #f2f8eb;\n  --ray-border: #dce7ee;\n  font-family: Arial, Helvetica, sans-serif;\n  color: #263746;\n  line-height: 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Au Lyc\u00e9e Polyvalent Raynouard de Brignoles, les math\u00e9matiques prennent une autre dimension : chercher, exp\u00e9rimenter, collaborer et partager ses d\u00e9couvertes. 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