{"id":696,"date":"2026-01-06T10:51:46","date_gmt":"2026-01-06T10:51:46","guid":{"rendered":"https:\/\/urff.app\/?p=696"},"modified":"2026-09-05T17:01:14","modified_gmt":"2026-09-05T17:01:14","slug":"stellenwerte-interaktiv-entdecken-eine-web-app-fuer-den-mathematikunterricht","status":"publish","type":"post","link":"https:\/\/urff.app\/ja\/stellenwerte-interaktiv-entdecken-eine-web-app-fuer-den-mathematikunterricht\/","title":{"rendered":"Zahlen und Stellenwerte interaktiv entdecken: Eine Webapp"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u6570\u5b57\u3068\u305d\u306e\u4f4d\u53d6\u308a\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u5c0f\u5b66\u6821\u306e\u7b97\u6570\u306b\u304a\u3044\u3066\u6700\u3082\u91cd\u8981\u306a\u57fa\u790e\u306e\u4e00\u3064\u3067\u3059\u3002\u9031\u672b\u306b\u3061\u3087\u3063\u3068\u3057\u305f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u3084\u308b\u3068\u3001\u7121\u6599\u3067 <strong>\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea<\/strong> \u305d\u306e\u7d50\u679c\u3001 <a href=\"http:\/\/www.lernsoftware-mathematik.de\/zahlen\">www.lernsoftware-mathematik.de\/zahlen<\/a> aufgerufen werden kann. Hier k\u00f6nnen Kinder das dezimale Zahlensystem interaktiv erkunden, Zahlen legen und b\u00fcndeln und entb\u00fcndeln. Die kostenlose Webapp funktioniert auf allen Ger\u00e4ten direkt im Browser \u2013 ohne Installation.<\/p>\n\n\n\n<h6 class=\"wp-block-heading\">\u30d3\u30c7\u30aa: \u30a2\u30d7\u30ea\u306e\u52d5\u4f5c<\/h6>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"\u6700\u5927 1000 \u307e\u3067\u306e\u6570\u5b57\u3068\u4f4d\u53d6\u308a\u3092\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u306b\u63a2\u7d22: \u30d0\u30f3\u30c9\u30eb\u3068\u30a2\u30f3\u30d0\u30f3\u30c9\u30eb\u304c\u7c21\u5358\u306b\" width=\"500\" height=\"375\" src=\"https:\/\/www.youtube.com\/embed\/X7Ri6VE8ArU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Place Values \u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u306f\u3001\u6700\u5927 9999 \u307e\u3067\u306e\u6570\u5b57\u3092\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u306b\u5b9f\u9a13\u3067\u304d\u308b\u74b0\u5883\u3067\u3059\u3002\u5b50\u3069\u3082\u305f\u3061\u306f\u3001\u7c21\u5358\u306a\u30bf\u30c3\u30c1\u3084\u30de\u30a6\u30b9 \u30b8\u30a7\u30b9\u30c1\u30e3\u3092\u4f7f\u7528\u3057\u3066\u3001\u4f4d\u53d6\u308a\u8868\u73fe\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30bf\u30c3\u30d7<\/strong> \u5358\u4e00\u306e\uff08\u9752\u3044\u70b9\uff09\u3092\u751f\u6210\u3059\u308b<\/li>\n\n\n\n<li><strong>\u7dda\u3092\u5f15\u304f<\/strong> 10\uff08\u7dd1\u306e\u7dda\uff09\u3092\u4f5c\u6210\u3057\u307e\u3059<\/li>\n\n\n\n<li><strong>\u9577\u65b9\u5f62\u3092\u63cf\u304f<\/strong> 100\uff08\u8d64\u3044\u56db\u89d2\uff09\u3092\u4f5c\u6210\u3057\u307e\u3059<\/li>\n\n\n\n<li><strong>\u6570\u5343<\/strong> 1000\u306e\u7d2b\u8272\u306e\u5217\u3068\u3057\u3066\u8868\u3055\u308c\u308b<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b9\u30da\u30b7\u30e3\u30eb\uff1a <strong>\u8907\u6570\u306e\u6307\u3092\u540c\u6642\u306b\u4f7f\u7528\u3059\u308b<\/strong> \u8907\u6570\u306e\u56f3\u5f62\u3092\u4e00\u5ea6\u306b\u4f5c\u6210\u3067\u304d\u308b\u305f\u3081\u3001\u6570\u91cf\u3092\u5de7\u307f\u306b\u307e\u3068\u3081\u3066\u914d\u7f6e\u3059\u308b\u306e\u306b\u6700\u9069\u3067\u3059\u3002.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">\u6700\u3082\u91cd\u8981\u306a\u6a5f\u80fd<\/h5>\n\n\n\n<h6 class=\"wp-block-heading\">\u81ea\u52d5\u304a\u3088\u3073\u624b\u52d5\u306e\u30d0\u30f3\u30c9\u30eb<\/h6>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f4d\u53d6\u308a\u3092\u7406\u89e3\u3059\u308b\u4e0a\u3067\u4e2d\u5fc3\u3068\u306a\u308b\u6982\u5ff5\u306f <strong>\u30d0\u30f3\u30c9\u30eb\u539f\u5247<\/strong>: 10 \u500b\u306e 1 \u304c 1 \u500b\u306e 10 \u306b\u306a\u308a\u300110 \u500b\u306e 10 \u304c 100 \u306b\u306a\u308b\u306a\u3069\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a2\u30d7\u30ea\u306b\u306f 2 \u3064\u306e\u30e2\u30fc\u30c9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u81ea\u52d5\u7684\u306b<\/strong>: Sobald 10 Elemente einer Stelle vorhanden sind, werden sie automatisch zur n\u00e4chsth\u00f6heren Stelle geb\u00fcndelt. Das Kind kann das B\u00fcndelungsprinzip unmittelbar beim Legen beobachten und durch gezielte Analysefragen zur Reflexion angeregt werden.<\/li>\n\n\n\n<li><strong>\u624b\u52d5\u3067<\/strong>\u5b50\u8981\u7d20\u306f\u3044\u3064\u30d0\u30f3\u30c9\u30eb\u3059\u308b\u304b\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u975e\u6a19\u6e96\u7684\u306a\u8868\u73fe\uff08\u4f8b\uff1a13\u884c\uff09\u3082\u53ef\u80fd\u3067\u3059\u3002 <strong>10\u500b\u4ee5\u4e0a\u306e\u540c\u4e00\u8981\u7d20\u3092\u99c6\u52d5<\/strong> \u3053\u308c\u3089\u3092\u6307\u3067\u96c6\u3081\u307e\u3059\u3002 <strong>\u9577\u62bc\u3057<\/strong> \u3042\u308b\u8981\u7d20\u304c\u4e00\u3064\u306e\u5c0f\u3055\u306a\u5358\u4f4d\u306b\u30b0\u30eb\u30fc\u30d7\u5316\u3055\u308c\u308b\u3068\u3001\u305d\u308c\u306f\u6b21\u306e\u5c0f\u3055\u306a\u5358\u4f4d\u306b\u5206\u89e3\u3055\u308c\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u30d0\u30f3\u30c9\u30eb\u3068\u30a2\u30f3\u30d0\u30f3\u30c9\u30eb\u306f\u610f\u8b58\u7684\u306a\u52d5\u4f5c\u306b\u306a\u308a\u307e\u3059\u3002.<\/li>\n<\/ul>\n\n\n\n<h6 class=\"wp-block-heading\">\u90e8\u5206\u7684\u306a\u5206\u89e3<\/h6>\n\n\n\n<p class=\"wp-block-paragraph\">\u5206\u89e3\u3055\u308c\u305f\u6570\u5024\u306f\u3001\u6b21\u306e 3 \u3064\u306e\u30e2\u30fc\u30c9\u3067\u4f4d\u53d6\u308a\u5024\u8868\u73fe\u3067\u8868\u793a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u3044\u3044\u3048<\/strong>\u5e83\u544a\u306a\u3057<\/li>\n\n\n\n<li><strong>\u6570\u5024<\/strong> (30): Zeigt die Werte ausgeschrieben, z.B. \u201e2000\u201c, \u201e400\u201c, \u201e80\u201c, \u201e3\u201c<\/li>\n\n\n\n<li><strong>\u4f4d\u53d6\u308a\u8a18\u6cd5<\/strong> (3Z): Zeigt die Kurzform, z.B. \u201e2T\u201c, \u201e4H\u201c, \u201e8Z\u201c, \u201e3E\u201c<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8272\u306f\u3001\u8868\u73fe\u4e0a\u306e\u4f4d\u306e\u5024\u306e\u8272\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u5343\u306e\u4f4d\u306f\u7d2b\u3001\u767e\u306e\u4f4d\u306f\u8d64\u3001\u5341\u306e\u4f4d\u306f\u7dd1\u3001\u4e00\u306e\u4f4d\u306f\u9752\u3067\u3059\u3002.<\/p>\n\n\n\n<h6 class=\"wp-block-heading\">2\u3064\u306e\u8868\u73fe<\/h6>\n\n\n\n<p class=\"wp-block-paragraph\">\u30e6\u30fc\u30b6\u30fc\u306f\u3001\u6a19\u6e96\u7684\u306a\u8868\u73fe\u3068\u4f4d\u53d6\u308a\u306e\u7d20\u6750\uff08\u30c7\u30a3\u30fc\u30f3\u30ba\uff09\u3068\u3057\u3066\u306e\u8868\u73fe\u306e\u3069\u3061\u3089\u304b\u3092\u9078\u629e\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"736\" data-id=\"881\" src=\"https:\/\/urff.app\/wp-content\/uploads\/2026\/01\/Bildschirmfoto-2026-04-05-um-17.18.22-1024x736.png\" alt=\"\" class=\"wp-image-881\" srcset=\"https:\/\/urff.app\/wp-content\/uploads\/2026\/01\/Bildschirmfoto-2026-04-05-um-17.18.22-1024x736.png 1024w, https:\/\/urff.app\/wp-content\/uploads\/2026\/01\/Bildschirmfoto-2026-04-05-um-17.18.22-300x216.png 300w, https:\/\/urff.app\/wp-content\/uploads\/2026\/01\/Bildschirmfoto-2026-04-05-um-17.18.22-768x552.png 768w, https:\/\/urff.app\/wp-content\/uploads\/2026\/01\/Bildschirmfoto-2026-04-05-um-17.18.22-1536x1104.png 1536w, https:\/\/urff.app\/wp-content\/uploads\/2026\/01\/Bildschirmfoto-2026-04-05-um-17.18.22-18x12.png 18w, https:\/\/urff.app\/wp-content\/uploads\/2026\/01\/Bildschirmfoto-2026-04-05-um-17.18.22.png 1932w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"970\" data-id=\"880\" src=\"https:\/\/urff.app\/wp-content\/uploads\/2026\/01\/Bildschirmfoto-2026-04-05-um-17.17.58-1024x970.png\" alt=\"\" class=\"wp-image-880\" srcset=\"https:\/\/urff.app\/wp-content\/uploads\/2026\/01\/Bildschirmfoto-2026-04-05-um-17.17.58-1024x970.png 1024w, https:\/\/urff.app\/wp-content\/uploads\/2026\/01\/Bildschirmfoto-2026-04-05-um-17.17.58-300x284.png 300w, https:\/\/urff.app\/wp-content\/uploads\/2026\/01\/Bildschirmfoto-2026-04-05-um-17.17.58-768x727.png 768w, https:\/\/urff.app\/wp-content\/uploads\/2026\/01\/Bildschirmfoto-2026-04-05-um-17.17.58-13x12.png 13w, https:\/\/urff.app\/wp-content\/uploads\/2026\/01\/Bildschirmfoto-2026-04-05-um-17.17.58.png 1470w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n\n\n\n<h6 class=\"wp-block-heading\">\u4f4d\u53d6\u308a\u6570\u5024\u30d4\u30c3\u30ab\u30fc<\/h6>\n\n\n\n<p class=\"wp-block-paragraph\">Am oberen Bildschirmrand befindet sich ein Zahlenpicker, mit dem Zahlen direkt eingestellt werden k\u00f6nnen. Durch Wischen nach oben oder unten an jeder Stelle kann die Zahl bzw. einzelne Stellenwerte ver\u00e4ndert werden \u2013 die Darstellung passt sich automatisch an. Dadurch sind das Experimentieren und das Beobachten der Auswirkungen von \u00c4nderungen von der symbolischen auf die ikonische Ebene direkt m\u00f6glich. Auch dies sollte idealerweise durch entsprechende Forscherauftr\u00e4ge begleitet werden.<\/p>\n\n\n\n<h6 class=\"wp-block-heading\">\u97f3\u58f0\u51fa\u529b\u3068AI\u30c1\u30e5\u30fc\u30bf\u30fc<\/h6>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u305d\u306e <strong>\u30c8\u30fc\u30af\u30dc\u30bf\u30f3<\/strong> \u73fe\u5728\u306e\u6570\u5b57\u3092\u3001\u5343\u3001\u767e\u3001\u5341\u3001\u4e00\u306e\u4f4d\u306b\u5206\u3051\u3066\u8aad\u307f\u4e0a\u3052\u307e\u3059\u3002.<\/li>\n\n\n\n<li>\u30aa\u30d7\u30b7\u30e7\u30f3 <strong>AI\u97f3\u58f0\u30a2\u30b7\u30b9\u30bf\u30f3\u30c8<\/strong> \u304a\u5b50\u69d8\u306e\u63a2\u7d22\u3001\u8cea\u554f\u3001\u5b9f\u9a13\u3092\u4fc3\u3059\u969b\u306b\u3001\u97f3\u58f0\u30a2\u30b7\u30b9\u30bf\u30f3\u30c8\u3092\u8d77\u52d5\u3057\u3066\u4e00\u7dd2\u306b\u697d\u3057\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u97f3\u58f0\u30a2\u30b7\u30b9\u30bf\u30f3\u30c8\u306f\u5b9f\u9a13\u6bb5\u968e\u3067\u3042\u308a\u3001\u5909\u66f4\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002PRIMA-AI\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5185\u3067\u30c6\u30b9\u30c8\u306b\u4f7f\u7528\u3055\u308c\u3066\u304a\u308a\u3001\u305c\u3072\u304a\u8a66\u3057\u304f\u3060\u3055\u3044\u3002\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u5fdc\u3058\u3066\u3001\u80cc\u666f\u60c5\u5831\u3068\u73fe\u5728\u306e\u30a2\u30d7\u30ea\u8a2d\u5b9a\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001\u63a2\u7d22\u306b\u5f79\u7acb\u3064\u30d2\u30f3\u30c8\u3084\u63d0\u6848\u3092\u63d0\u4f9b\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u97f3\u58f0\u5bfe\u8a71\u3067\u6700\u3082\u52b9\u679c\u7684\u306b\u6a5f\u80fd\u3057\u307e\u3059\u3002.<\/li>\n<\/ul>\n\n\n\n<h6 class=\"wp-block-heading\">\u6280\u8853\u7684\u306a\u8a73\u7d30<\/h6>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0<\/strong>: Webapp (HTML5, CSS, JavaScript)<\/li>\n\n\n\n<li><strong>\u30c7\u30d0\u30a4\u30b9<\/strong>\u30bf\u30d6\u30ec\u30c3\u30c8\u3001\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3001\u30c7\u30b9\u30af\u30c8\u30c3\u30d7 \u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3067\u52d5\u4f5c\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/strong>\u306a\u3057 \u2013 \u30d6\u30e9\u30a6\u30b6\u3067\u76f4\u63a5\u5b9f\u884c<\/li>\n\n\n\n<li><strong>\u6599\u91d1<\/strong>\uff1a\u7121\u6599\uff08\u73fe\u5728\u306f\u30c8\u30e9\u30a4\u30a2\u30eb\u4e2d\uff09\u3001\u7279\u306bAI\u30c1\u30e5\u30fc\u30bf\u30fc\u306f\u8cbb\u7528\u304c\u767a\u751f\u3059\u308b\u305f\u3081\u3001\u6c38\u4e45\u306b\u7121\u6599\u3067\u5229\u7528\u3067\u304d\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u30c7\u30fc\u30bf\u4fdd\u8b77<\/strong>\u767b\u9332\u4e0d\u8981\u3001\u30c7\u30fc\u30bf\u53ce\u96c6\u4e0d\u8981<\/li>\n\n\n\n<li><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Zahlen und ihre Stellenwerte verstehen \u2013 das ist eine der wichtigsten Grundlagen im Mathematikunterricht der Grundschule. Ein kleines Wochenend-Programmierprojekt hat eine kostenlose Webapp ergeben, die unter www.lernsoftware-mathematik.de\/zahlen aufgerufen werden kann. Hier k\u00f6nnen Kinder das dezimale Zahlensystem interaktiv erkunden, Zahlen legen und b\u00fcndeln und entb\u00fcndeln. Die kostenlose Webapp funktioniert auf allen Ger\u00e4ten direkt im Browser \u2013 ohne Installation. Video: Die App in Aktion Die Stellenwerte Webapp ist eine interaktive Experimentierumgebung f\u00fcr den Zahlenraum bis 9999. Kinder k\u00f6nnen durch einfache Touch- oder Mausgesten Stellenwert-Darstellungen erstellen: Das Besondere: Mit mehreren Fingern gleichzeitig k\u00f6nnen auch mehrere Formen auf einmal erstellt werden \u2013 ideal f\u00fcr das geschickte, geb\u00fcndelte Legen von Anzahlen. Die wichtigsten Funktionen Automatisches [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":699,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-696","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/urff.app\/ja\/wp-json\/wp\/v2\/posts\/696","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/urff.app\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/urff.app\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/urff.app\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/urff.app\/ja\/wp-json\/wp\/v2\/comments?post=696"}],"version-history":[{"count":13,"href":"https:\/\/urff.app\/ja\/wp-json\/wp\/v2\/posts\/696\/revisions"}],"predecessor-version":[{"id":1370,"href":"https:\/\/urff.app\/ja\/wp-json\/wp\/v2\/posts\/696\/revisions\/1370"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/urff.app\/ja\/wp-json\/wp\/v2\/media\/699"}],"wp:attachment":[{"href":"https:\/\/urff.app\/ja\/wp-json\/wp\/v2\/media?parent=696"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/urff.app\/ja\/wp-json\/wp\/v2\/categories?post=696"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/urff.app\/ja\/wp-json\/wp\/v2\/tags?post=696"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}