{"id":36535,"date":"2026-07-22T06:29:16","date_gmt":"2026-07-22T06:29:16","guid":{"rendered":"https:\/\/webtube.fr\/?p=36535"},"modified":"2026-07-22T06:30:19","modified_gmt":"2026-07-22T06:30:19","slug":"a-lheure-ou-2-et-2-font-5-reapprendre-a-calculer-est-une-urgence","status":"publish","type":"post","link":"https:\/\/webtube.fr\/index.php\/2026\/07\/22\/a-lheure-ou-2-et-2-font-5-reapprendre-a-calculer-est-une-urgence\/","title":{"rendered":"&#8211; A l\u2019heure o\u00f9 2 et 2 font 5, r\u00e9apprendre \u00e0 calculer est une urgence"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Articles : <a href=\"https:\/\/webtube.fr\/index.php\/2026\/07\/\" target=\"_blank\" rel=\"noreferrer noopener\">Juil. 2026 &#8211;<\/a> <a href=\"https:\/\/webtube.fr\/index.php\/2026\/06\/\" target=\"_blank\" rel=\"noreferrer noopener\">Juin 2026 &#8211;<\/a> <a href=\"https:\/\/webtube.fr\/index.php\/2026\/05\/\" target=\"_blank\" rel=\"noreferrer noopener\">Mai 2026<\/a> &#8211; <a href=\"https:\/\/webtube.fr\/index.php\/2026\/04\/\">Avril 2026<\/a> &#8211;<br>Facebook&nbsp;:&nbsp;<a href=\"https:\/\/www.facebook.com\/profile.php?id=100069673161887\">https:\/\/www.facebook.com\/profile.php?id=100069673161887<\/a> Twitter : <a href=\"https:\/\/twitter.com\/OrtfNews\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/twitter.com\/OrtfNews<\/a> Music 24\/24 : <a href=\"http:\/\/DJMUSIC.fr\/\">http:\/\/DJMUSIC.fr<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/weboomedia.free.fr\/ORTF\/php\/\" target=\"_blank\" rel=\" noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/www.causeur.fr\/wp-content\/uploads\/2026\/07\/brevet-2026.jpg\" alt=\"\"\/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>#webtube<\/strong> : <em>Alors que la nouvelle \u00e9preuve de math\u00e9matiques du brevet 2026 \u00e9tait cens\u00e9e marquer le retour de l\u2019exigence, les enseignants ont d\u00e9nonc\u00e9 un sujet d\u2019une grande facilit\u00e9. Notre rapport au calcul s\u2019est progressivement d\u00e9grad\u00e9, au point de devenir une comp\u00e9tence en voie de disparition.<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sur les \u00e9tals des librairies, les cahiers de vacances promettent aux plus jeunes de ne pas perdre le rythme pendant la p\u00e9riode estivale, tout en permettant aux parents de se donner bonne conscience. Certains de ces carnets d\u2019\u00e9t\u00e9 sont consacr\u00e9s \u00e0 l\u2019orthographe, actuellement en capilotade dans toutes les tranches d\u2019\u00e2ge et cat\u00e9gories sociales ; d\u2019autres \u00e0 l\u2019anglais, demain nous serons tous bilingues \u00ab fran\u00e7ais de chez Wish\/Wesh \u2013 globish \u00bb ; et enfin, au calcul. \u00c0 l\u2019heure o\u00f9 nous sommes entr\u00e9s dans une civilisation qui a d\u00e9sappris \u00e0 calculer, cette derni\u00e8re comp\u00e9tence devait \u00eatre urgemment revaloris\u00e9e.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A lire aussi, Bruno Patino:&nbsp;<a href=\"https:\/\/www.causeur.fr\/bruno-patino-le-temps-de-l-obsolescence-humaine-on-clot-les-cinq-cents-ans-de-lere-gutenberg-ia-330723\">\u00ab On cl\u00f4t les cinq cents ans de l\u2019\u00e8re Gutenberg&nbsp;\u00bb<\/a><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">G\u00e9n\u00e9ralement, les plus madr\u00e9s s\u2019amusent \u00e0 d\u00e9celer, dans les messages post\u00e9s dans les boucles WhatsApp ou sur les r\u00e9seaux sociaux, les fautes d\u2019orthographe de leurs cong\u00e9n\u00e8res. Ils s\u2019indignent aussi de temps en temps du manque criant de culture g\u00e9n\u00e9rale chez leurs semblables (\u00ab Victor Hugo, je sais pas c\u2019est qui \u00bb), mais ils se d\u00e9solent rarement de l\u2019incapacit\u00e9 \u00e0 effectuer un calcul mental. Bien s\u00fbr, les chiffres sont sans doute moins sexy que les belles lettres, mais n\u2019est-ce pas le signe d\u2019une dyscalculie g\u00e9n\u00e9ralis\u00e9e que de si peu s\u2019en inqui\u00e9ter ?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00e9sormais, une addition en apparence simple n\u00e9cessite l\u2019usage, non plus de la calculette Casio fonctionnant \u00e0 l\u2019\u00e9nergie solaire de notre enfance \u2014 et sur laquelle nous tapotions 713705 pour faire appara\u00eetre le mot \u00ab SOLEIL \u00bb une fois retourn\u00e9e \u2014 mais de la calculatrice int\u00e9gr\u00e9e \u00e0 nos smartphones ou, plus simplement encore, de Grok. Et c\u2019est ainsi qu\u2019ils sont d\u00e9sormais d\u2019usage pour calculer la somme de trois ou quatre nombres entiers. Il n\u2019est pas n\u00e9cessaire d\u2019ajouter que les op\u00e9rations plus complexes, comme une r\u00e8gle de trois, le calcul d\u2019un pourcentage ou la r\u00e9solution d\u2019une \u00e9quation, sont encore moins bien ma\u00eetris\u00e9es.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Compter, c\u2019est d\u00e9j\u00e0 penser<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Le calcul mental est la porte d\u2019entr\u00e9e vers les math\u00e9matiques qui nous emm\u00e8neront, au fil de notre scolarit\u00e9, vers les probabilit\u00e9s, les statistiques, les logarithmes, la trigonom\u00e9trie avec ses sinus et ses cosinus. C\u2019est ainsi qu\u2019un pays finit par former des ing\u00e9nieurs et \u00e0 fa\u00e7onner une marche du monde\u2026 qui ne d\u00e9pendra jamais des \u00e9tudiants en sociologie et de leurs recherches sur le genre. Bref, mieux vaut la tignasse \u00e9bouriff\u00e9e d\u2019Albert Einstein que la chevelure mauve et en broussaille de Myrtille. \u00c0 l\u2019inverse, un pays o\u00f9 deux et deux font cinq et qui ne sait plus calculer, de l\u2019op\u00e9ration de base \u00e0 un budget en \u00e9quilibre, ne peut tourner correctement.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Signe encourageant, le g\u00e9nie fran\u00e7ais a accouch\u00e9, \u00e0 travers son histoire f\u00e9conde, de grands math\u00e9maticiens dont on retient, indice r\u00e9v\u00e9lateur du manque d\u2019int\u00e9r\u00eat pour la discipline, souvent les \u00e0-c\u00f4t\u00e9s : Blaise Pascal, \u00e9rudit touchant \u00e0 toutes les disciplines et inventeur de la pascaline \u2014 anc\u00eatre de la Casio \u2014, \u00c9variste Galois, plus connu pour le duel qui mit fin \u00e0 sa vie de fa\u00e7on tragique que pour la th\u00e9orie portant son nom, ou encore Henri Poincar\u00e9, pr\u00e9curseur du calcul infinit\u00e9simal et cousin de Raymond, qui fut pr\u00e9sident de la R\u00e9publique. D\u2019ailleurs, on ne peut que se r\u00e9jouir du don de 50 millions d\u2019euros de Bernard Arnault \u00e0 l\u2019\u00c9cole polytechnique, en vue de&nbsp;<a href=\"https:\/\/www.lemonde.fr\/education\/article\/2026\/06\/26\/bernard-arnault-finance-un-nouvel-institut-de-mathematiques-a-polytechnique-avec-un-don-de-50-millions-d-euros_6715503_1473685.html\" target=\"_blank\" rel=\"noreferrer noopener\">cr\u00e9er un institut de math\u00e9matiques \u00e0 l\u2019horizon 2030<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A lire aussi, du m\u00eame auteur:&nbsp;<a href=\"https:\/\/www.causeur.fr\/une-breve-histoire-de-la-transformation-de-paris-a-travers-le-psg-et-ses-supporters-326902\">Une br\u00e8ve histoire de la transformation de Paris \u00e0 travers le PSG et ses supporters<\/a><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Surtout, le calcul et tout ce qui en d\u00e9coule offrent bien des avantages \u00e0 celui qui les ma\u00eetrise. Faites le test : vos interlocuteurs resteront \u00e9baubis quand votre vivacit\u00e9 aura fini d\u2019achever une op\u00e9ration de calcul. Mais, par-del\u00e0 la passag\u00e8re gaudriole, il y a plus essentiel encore : l\u2019intelligence math\u00e9matique (ou rationnelle, ou cart\u00e9sienne, ou logique) ouvre bien des portes. Si j\u2019\u00e9tais directeur des ressources humaines, je recruterais en priorit\u00e9 des candidats qui en sont abondamment dot\u00e9s. D\u2019ailleurs, il faut toujours se m\u00e9fier des grandes v\u00e9rit\u00e9s \u00e9manant des d\u00e9constructeurs, car bien souvent elles trahissent un manque d\u2019exigence ou d\u2019ambition, un fourvoiement id\u00e9ologique ou, plus prosa\u00efquement, une incapacit\u00e9 \u00e0 \u00eatre soi-m\u00eame \u00e0 la hauteur. Parmi celles-ci, le fait que l\u2019intelligence serait devenue multiple, y compris \u00e9motionnelle. C\u2019est \u00e9videmment aussi r\u00e9v\u00e9lateur de l\u2019\u00e9poque que faux.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c0&nbsp;<a href=\"https:\/\/www.causeur.fr\/tag\/dossier-147\">l\u2019\u00e8re de l\u2019intelligence artificielle<\/a>, il semble loin le temps o\u00f9 nous comptions sur les doigts de nos mains en trompant l\u2019attention du professeur, o\u00f9 nous faisions des concours de tables de multiplication, o\u00f9 nous calculions des angles et o\u00f9, simplement, nous entrions dans un nouvel univers. En pleine \u00e9poque lacrymale o\u00f9 les \u00e9motions priment sur la raison, il fait parfois bon renouer avec l\u2019implacable froideur des chiffres.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.causeur.fr\/author\/gvandenbruel\">Gregory Vanden Bruel<\/a>; Causeur<\/p>\n\n\n\n<!-- AFS Analytics V7- Web Analytics 7.0 -->\n<script type='text\/javascript'>\n(function(i,s,o,g,r,a,m){i['AfsAnalyticsObject']=r;i[r]=i[r]||function(){(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)})(window,document,'script','\/\/code.afsanalytics.com\/js2\/analytics.js','aa');\naa('create', '00734570','auto');\naa('set', 'autotrack', 'on');\naa('set', 'autotrack.iframe', 'dataset');\naa('send', 'pageview');\n<\/script>\n\n<!-- End AFS Analytics -->\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Articles : Juil. 2026 &#8211; Juin 2026 &#8211; Mai 2026 &#8211; Avril 2026 &#8211;Facebook&nbsp;:&nbsp;https:\/\/www.facebook.com\/profile.php?id=100069673161887 Twitter : https:\/\/twitter.com\/OrtfNews Music 24\/24 : http:\/\/DJMUSIC.fr #webtube : Alors que la nouvelle \u00e9preuve de math\u00e9matiques du brevet 2026 \u00e9tait cens\u00e9e marquer le retour de l\u2019exigence, les enseignants ont d\u00e9nonc\u00e9 un sujet d\u2019une grande facilit\u00e9. Notre rapport au calcul s\u2019est progressivement &hellip; <a href=\"https:\/\/webtube.fr\/index.php\/2026\/07\/22\/a-lheure-ou-2-et-2-font-5-reapprendre-a-calculer-est-une-urgence\/\" class=\"more-link\">Continuer la lecture<span class=\"screen-reader-text\"> de &laquo;&nbsp;&#8211; A l\u2019heure o\u00f9 2 et 2 font 5, r\u00e9apprendre \u00e0 calculer est une urgence&nbsp;&raquo;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"#webtube : Alors que la nouvelle \u00e9preuve de math\u00e9matiques du brevet 2026 \u00e9tait cens\u00e9e marquer le retour de l\u2019exigence, les enseignants ont d\u00e9nonc\u00e9 un sujet d\u2019une grande facilit\u00e9. Notre rapport au calcul s\u2019est progressivement d\u00e9grad\u00e9, au point de devenir une comp\u00e9tence en voie de disparition.\n","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[1],"tags":[],"class_list":["post-36535","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>- A l\u2019heure o\u00f9 2 et 2 font 5, r\u00e9apprendre \u00e0 calculer est une urgence - # WEBTUBE.fr<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/webtube.fr\/index.php\/2026\/07\/22\/a-lheure-ou-2-et-2-font-5-reapprendre-a-calculer-est-une-urgence\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"- A l\u2019heure o\u00f9 2 et 2 font 5, r\u00e9apprendre \u00e0 calculer est une urgence - # WEBTUBE.fr\" \/>\n<meta property=\"og:description\" content=\"Articles : Juil. 2026 &#8211; Juin 2026 &#8211; Mai 2026 &#8211; Avril 2026 &#8211;Facebook&nbsp;:&nbsp;https:\/\/www.facebook.com\/profile.php?id=100069673161887 Twitter : https:\/\/twitter.com\/OrtfNews Music 24\/24 : http:\/\/DJMUSIC.fr #webtube : Alors que la nouvelle \u00e9preuve de math\u00e9matiques du brevet 2026 \u00e9tait cens\u00e9e marquer le retour de l\u2019exigence, les enseignants ont d\u00e9nonc\u00e9 un sujet d\u2019une grande facilit\u00e9. 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