{"id":402,"date":"2024-11-09T10:08:07","date_gmt":"2024-11-09T10:08:07","guid":{"rendered":"https:\/\/urff.app\/?page_id=402"},"modified":"2026-09-05T17:01:06","modified_gmt":"2026-09-05T17:01:06","slug":"dezimat","status":"publish","type":"page","link":"https:\/\/urff.app\/zh\/dezimat\/","title":{"rendered":"\u5341\u8fdb\u5236"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u5341\u8fdb\u4f4d\u76f4\u89c2\u6559\u5177\u662f\u4e00\u79cd\u4ea4\u4e92\u5f0f\u6f14\u793a\u5de5\u5177\uff0c\u7528\u4e8e\u52a0\u6df1\u5bf9\u5341\u8fdb\u5206\u6570\u7684\u7406\u89e3\u548c\u63a2\u7d22\u3002.<\/p>\n\n\n\n<div class=\"urff-appbox\" style=\"display:flex;flex-wrap:wrap;align-items:center;gap:1rem;padding:1rem 1.25rem;margin:1.5rem 0;border:1px solid rgba(0,0,0,.12);border-radius:18px;background:rgba(0,0,0,.035)\">\n<a href=\"https:\/\/apps.apple.com\/de\/app\/dezimat\/id1642217104\" target=\"_blank\" rel=\"noopener\" style=\"flex:0 0 auto;line-height:0\"><img decoding=\"async\" src=\"https:\/\/urff.app\/wp-content\/uploads\/2026\/09\/appicon-dezimat-1642217104.jpg\" alt=\"App-Icon Dezimat\" width=\"96\" height=\"96\" loading=\"lazy\" style=\"width:96px;height:96px;border-radius:22%;box-shadow:0 1px 4px rgba(0,0,0,.15)\"><\/a>\n<div style=\"flex:1 1 12rem;min-width:0\">\n<div style=\"font-weight:700;font-size:1.15em;line-height:1.3\"><a href=\"https:\/\/apps.apple.com\/de\/app\/dezimat\/id1642217104\" target=\"_blank\" rel=\"noopener\" style=\"text-decoration:none\">\u5341\u8fdb\u5236<\/a><\/div>\n<div style=\"font-size:.9em;opacity:.75;margin-top:.15em\">\u514b\u91cc\u65af\u8482\u5b89\u00b7\u4e4c\u5c14\u592b\u3001\u963f\u514b\u585e\u5c14\u00b7\u8212\u5c14\u8328\u3001\u4e39\u5c3c\u5c14\u00b7\u6c83\u5c14\u7279 \u00b7 iPad<\/div>\n<\/div>\n<a href=\"https:\/\/apps.apple.com\/de\/app\/dezimat\/id1642217104\" target=\"_blank\" rel=\"noopener\" style=\"flex:0 0 auto;display:inline-block;padding:.55em 1.1em;border-radius:999px;background:#0071e3;color:#fff;font-weight:600;font-size:.95em;text-decoration:none;white-space:nowrap\">\u4ece App Store \u4e0b\u8f7d<\/a>\n<\/div>\n\n\n\n<h5 class=\"wp-block-heading\">\u7279\u5f81<\/h5>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6bc1\u706d<\/strong> \u662f\u8868\u793a\u5341\u8fdb\u5236\u6570\u53ca\u5176\u5404\u4f4d\u6570\u503c\u7684\u4e00\u79cd\u53ef\u89c6\u5316\u65b9\u5f0f\u3002\u6b64\u5916\uff0c\u8fd8\u63d0\u4f9b\u4ee5\u4e0b\u53ef\u663e\u793a\u6216\u9690\u85cf\u7684\u53ef\u89c6\u5316\u9009\u9879\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6570\u8f74<\/strong>\uff1a\u663e\u793a\u6570\u8f74\u4ee5\u53ef\u89c6\u5316 0 \u5230 1 \u4e4b\u95f4\u7684\u5c0f\u6570\u8303\u56f4\u3002\u7528\u4e24\u6839\u624b\u6307\u53ef\u4ee5\u79fb\u52a8\u6570\u8f74\uff0c\u4e5f\u53ef\u4ee5\u653e\u5927\u548c\u7f29\u5c0f\u6570\u8f74\u3002<\/li>\n\n\n\n<li><strong>\u5c0f\u6570<\/strong>\uff1a\u663e\u793a\u5c0f\u6570\u7684\u663e\u793a\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u7406\u89e3\u5c0f\u6570\u4f4d\u503c\u3002<\/li>\n\n\n\n<li><strong>\u4f4d\u503c\u8868<\/strong>\u53ef\u89c6\u5316\u6570\u5b57\u7684\u4f4d\u503c\uff0c\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u5341\u8fdb\u5236\u6570\u3002\u5728\u6b64\u8868\u793a\u4e2d\uff0c\u8fd8\u53ef\u4ee5\u663e\u793a\u975e\u89c4\u8303\u8868\u793a\u3002\u8fd9\u610f\u5473\u7740\u6570\u4f4d\u53ef\u4ee5\u586b\u5145\u5927\u4e8e 9 \u7684\u6570\u5b57\u3002.<\/li>\n\n\n\n<li><strong>\u5c0f\u6570<\/strong>\uff1a\u663e\u793a\u6700\u591a\u5343\u5206\u4e4b\u5341\u7684\u5c0f\u6570\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0e\u4e00\u5e76\u63d0\u4f9b <strong>\u5b9e\u9a8c\u73af\u5883<\/strong> \u7ec3\u4e60\u533a\u8fd8\u6709\u4e00\u4e9b\u5e26\u6709\u540c\u6b65\u6f14\u793a\u7684\u7ec3\u4e60\u548c\u6e38\u620f\uff0c\u4f9b\u60a8\u4eb2\u81ea\u5c1d\u8bd5\u548c\u81ea\u4e3b\u63a2\u7d22\u3002.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">\u5173\u4e8e\u6559\u5b66\u5d4c\u5165\u7684\u6ce8\u91ca<\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u5e94\u7528\u975e\u5e38\u9002\u5408\u5728\u7ed3\u5408\u7eb8\u7b14\u8fdb\u884c\u521d\u6b65\u4ecb\u7ecd\u4e4b\u540e\uff0c\u7528\u4e8e\u8fdb\u4e00\u6b65\u6df1\u5165\u63a2\u7d22\u548c\u7ec3\u4e60\u3002\u4f5c\u4e3a\u4ecb\u7ecd\uff0c\u4f8b\u5982\u53ef\u4ee5\u4f7f\u7528\u57fa\u4e8e <a href=\"https:\/\/calculate.org.au\/2017\/12\/05\/decimats\/\">AMSI \u8ba1\u7b97<\/a> \u6709\u82f1\u6587\u7248\u672c\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">\u793a\u4f8b\u4efb\u52a1<\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">\u7528\u4e8e\u5b9e\u9a8c\u73af\u5883<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8868\u793a\u6570\u5b57 0.2456\u3002.<\/li>\n\n\n\n<li>\u5c06\u5341\u8fdb\u5236\u6570 0.75 \u8f6c\u5316\u4e3a\u5206\u6570\u3002\u7136\u540e\uff0c\u901a\u8fc7\u663e\u793a\u5206\u6570\u5f62\u5f0f\u6765\u68c0\u67e5\u4f60\u7684\u8f6c\u5316\u662f\u5426\u6b63\u786e\u3002.<\/li>\n\n\n\n<li>\u5c06\u4ee5\u4e0b\u5341\u8fdb\u5236\u6570\u6309\u5927\u5c0f\u987a\u5e8f\u6392\u5217\uff0c\u5e76\u6839\u636e\u5c0f\u6570\u4f4d\u8fdb\u884c\u8bf4\u660e\uff1a\n\n\u6392\u5e8f\uff1a\n0,0256 &lt; 0,2056 &lt; 0,2560 &lt; 0,5602\n\n\u8bf4\u660e\uff1a\n\u6bd4\u8f83\u5c0f\u6570\u7684\u5927\u5c0f\uff0c\u9700\u4ece\u5de6\u5230\u53f3\u4f9d\u6b21\u6bd4\u8f83\u76f8\u540c\u6570\u4f4d\u4e0a\u7684\u6570\u5b57\uff08\u4ece\u5341\u5206\u4f4d\u5f00\u59cb\uff09\uff1a\n- 0,0256 \u7684\u5341\u5206\u4f4d\u662f 0\n- 0,2056 \u548c 0,2560 \u7684\u5341\u5206\u4f4d\u662f 2\uff08\u7ee7\u7eed\u6bd4\u8f83\u767e\u5206\u4f4d\uff1a0,2056 \u7684\u767e\u5206\u4f4d\u662f 0\uff0c\u5c0f\u4e8e 0,2560 \u7684\u767e\u5206\u4f4d 5\uff09\n- 0,5602 \u7684\u5341\u5206\u4f4d\u662f 5\uff08\u6700\u5927\uff09<\/li>\n\n\n\n<li>0,8202<\/li>\n\n\n\n<li>\u5c06125\u4e2a\u4e07\u5206\u4e4b\u4e00\u805a\u5408\u6210\u5c0f\u6570\uff0c\u4ee5\u83b7\u5f97\u5c3d\u53ef\u80fd\u591a\u7684\u767e\u5206\u4e4b\u4e00\u3002.<\/li>\n\n\n\n<li>\u4f7f\u7528\u6570\u5b57 5\u30018\u30011 \u548c 6 \u901a\u8fc7\u5341\u8fdb\u5236\u5f62\u6210\u6700\u5927\/\u6700\u5c0f\u53ef\u80fd\u7684\u5341\u8fdb\u5236\u6570\u3002<\/li>\n\n\n\n<li>\u63cf\u8ff0\u4e00\u4e2a\u6570\u5b57\u5728\u4e0d\u540c\u5730\u65b9\u7684\u542b\u4e49\uff0c\u4f8b\u5982\uff1a0.5 \u4e0e 0.05 \u4e0e 0.005\u3002\u4ec0\u4e48\u7a81\u51fa\uff1f<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">\u6559\u5b66\u80cc\u666f<\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c06\u5341\u8fdb\u5236\u6570\u8868\u793a\u4e3a\u5341\u8fdb\u5236\u77e9\u9635\uff08Dezimat\uff09\u662f\u4e00\u79cd\u65e8\u5728\u4fc3\u8fdb\u5bf9\u5c0f\u6570\u53ca\u5176\u6570\u4f4d\u7406\u89e3\u7684\u5b66\u4e60\u5de5\u5177\uff0c\u5176\u6982\u5ff5\u57fa\u4e8e Roche\uff082010 \u5e74\uff09\u7684\u7814\u7a76\u3002\u8fd9\u79cd\u53ef\u89c6\u5316\u5de5\u5177\u901a\u8fc7\u76f4\u89c2\u5c55\u793a\u6211\u4eec\u5341\u8fdb\u5236\u6570\u4f4d\u7cfb\u7edf\u7684\u201e\u9022\u5341\u8fdb\u4e00\u201c\u6982\u5ff5\uff0c\u6765\u5e2e\u52a9\u6d88\u9664\u5bf9\u5c0f\u6570\u7684\u5e38\u89c1\u8bef\u89e3\u3002\u4f8b\u5982\uff0cSteinle \u548c Stacey\uff082003 \u5e74\uff09\u7684\u4e00\u9879\u7814\u7a76\u53d1\u73b0\uff0c\u8bb8\u591a\u5b66\u751f\u96be\u4ee5\u7406\u89e3\u8bf8\u5982 0.97 \u4e4b\u7c7b\u7684\u5c0f\u6570\u7684\u5927\u5c0f\uff0c\u8fd9\u8fdb\u800c\u5bfc\u81f4\u4e86\u57fa\u4e8e\u5c0f\u6570\u7684\u6570\u5b66\u8fd0\u7b97\u4e2d\u51fa\u73b0\u6839\u672c\u6027\u9519\u8bef\u3002\u5341\u8fdb\u5236\u77e9\u9635\uff08Dezimat\uff09\u7684\u8868\u793a\u5f62\u5f0f\u65e8\u5728\u901a\u8fc7\u63d0\u4f9b\u4e00\u4e2a\u6309\u6bd4\u4f8b\u7f29\u653e\u7684\u6a21\u578b\uff0c\u4f7f\u5c0f\u6570\u53d8\u5f97\u76f4\u89c2\u6613\u61c2\uff0c\u4ece\u800c\u89e3\u51b3\u8fd9\u4e00\u7406\u89e3\u4e0a\u7684\u96be\u9898\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5341\u8fdb\u5236\u6559\u5177\u4e0d\u4ec5\u53ef\u4ee5\u5e2e\u52a9\u5b66\u751f\u76f4\u89c2\u5730\u7406\u89e3\u5c0f\u6570\u7684\u5927\u5c0f\uff08\u4f8b\u5982\u5c06 0.97 \u7406\u89e3\u4e3a\u201e\u63a5\u8fd1\u4e00\u201c\uff09\uff0c\u8fd8\u80fd\u4fc3\u8fdb\u4ed6\u4eec\u4f7f\u7528\u5206\u6570\u8bed\u8a00\u6765\u63cf\u8ff0\u5c0f\u6570\u3002\u5728\u6e38\u620f\u5316\u6d3b\u52a8\uff08\u5982\u53cc\u4eba\u6e38\u620f\uff09\u4e2d\u4f7f\u7528\u8be5\u5de5\u5177\uff0c\u80fd\u8ba9\u513f\u7ae5\u548c\u9752\u5c11\u5e74\u5bf9\u5341\u5206\u4e4b\u4e00\u3001\u767e\u5206\u4e4b\u4e00\u3001\u5343\u5206\u4e4b\u4e00\u548c\u4e07\u5206\u4e4b\u4e00\u4e4b\u95f4\u7684\u5173\u7cfb\u83b7\u5f97\u66f4\u6df1\u523b\u7684\u7406\u89e3\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5efa\u8bae\u4f7f\u7528\u8be5\u5e94\u7528\u7a0b\u5e8f\u4f5c\u4e3a\u5176\u4ed6\u89c6\u89c9\u8f85\u52a9\u5de5\u5177\u7684\u8865\u5145\uff0c\u5411 4 \u81f3 7 \u5e74\u7ea7\u7684\u5b66\u751f\u4ecb\u7ecd\u5341\u8fdb\u5236\u7b26\u53f7\u548c\u5c0f\u6570\u7684\u57fa\u672c\u6982\u5ff5\u3002\u7136\u800c\uff0c\u8be5\u5e94\u7528\u7a0b\u5e8f\u4e5f\u53ef\u4ee5\u8f7b\u677e\u8c03\u6574\uff08\u4f8b\u5982\uff0c\u53ea\u8003\u8651\u5341\u5206\u4e4b\u4e00\u6216\u767e\u5206\u4e4b\u4e00\uff09\u4ee5\u9002\u5408\u5e74\u9f84\u8f83\u5c0f\u7684\u5b66\u751f\u4f7f\u7528\u3002\u91cd\u8981\u7684\u662f\u5b9a\u671f\u4f7f\u7528\u8be5\u5e94\u7528\u7a0b\u5e8f\uff0c\u5e76\u5728\u7ed3\u6784\u826f\u597d\u7684\u6559\u5b66\u6846\u67b6\u5185\u8fdb\u884c\u9002\u5f53\u7684\u4ecb\u7ecd\u548c\u652f\u6301 <a href=\"https:\/\/calculate.org.au\/2017\/12\/05\/decimats\/\">\u5b66\u4e60\u73af\u5883<\/a> \u4f7f\u7528\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">\u6784\u601d\u4e0e\u53d1\u5c55<\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u5e94\u7528\u7a0b\u5e8f\u7531\u514b\u91cc\u65af\u8482\u5b89\u00b7\u4e4c\u5c14\u592b\uff08Christian Urff\uff09\u5728\u963f\u514b\u585e\u5c14\u00b7\u8212\u5c14\u8328\u535a\u58eb\uff08\u6bd4\u52d2\u8d39\u5c14\u5fb7\u5927\u5b66\uff09\u548c\u4e39\u5c3c\u5c14\u00b7\u74e6\u5c14\u7279\u9752\u5e74\u6559\u6388\uff08\u591a\u7279\u8499\u5fb7\u5927\u5b66\uff09\u7684\u534f\u4f5c\u4e0b\u5f00\u53d1\u3002.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">\u6765\u6e90<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li>AMSI \u8ba1\u7b97\uff1a <a href=\"https:\/\/calculate.org.au\/2017\/12\/05\/decimats\/\">\u5341\u8fdb\u5236<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/files.eric.ed.gov\/fulltext\/EJ891799.pdf\">\u7f57\u6c0f\uff0cA. (2010)\uff1a\u5341\u8fdb\u5c0f\u6570\u56fe\uff1a\u5e2e\u52a9\u5b66\u751f\u7406\u89e3\u5c0f\u6570\u6570\u4f4d\u3002APMC 15 (2)<\/a><\/li>\n\n\n\n<li>Steinle, V., &amp; Stacey, K., (2003)\uff1a\u5c0f\u6570\u8bef\u89e3\u7684\u666e\u904d\u6027\u548c\u6301\u7eed\u6027\u4e0e\u5e74\u7ea7\u76f8\u5173\u7684\u8d8b\u52bf\u3002\u89c1\uff1aN. Pateman\u3001B. Dougherty \u548c J. Zilliox\uff08\u7f16\uff09\uff0c2003 \u5e74 PME \u548c PMENA \u8054\u5e2d\u4f1a\u8bae\u8bb0\u5f55\uff08\u7b2c 4 \u5377\uff0c\u7b2c 259-266 \u9875\uff09\u3002\u6a80\u9999\u5c71\uff1a\u56fd\u9645\u6570\u5b66\u6559\u80b2\u5fc3\u7406\u5b66\u5c0f\u7ec4\u3002<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Der Dezimat ist ein interaktives Veranschaulichungsmittel, um das Verst\u00e4ndnis von Dezimalbr\u00fcchen zu vertiefen und zu erforschen. Dezimat Christian Urff, Axel Schulz, Daniel Walter \u00b7 iPad Im App Store laden Funktionen Der Dezimat ist eine Visualisierungsm\u00f6glichkeit von Dezimalzahlen und ihren Stellenwerten. Daneben werden noch ein- und ausblendbar folgende Visualisierungen angeboten: Angeboten werden neben einer Experimentierumgebung mit [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-402","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/urff.app\/zh\/wp-json\/wp\/v2\/pages\/402","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/urff.app\/zh\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/urff.app\/zh\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/urff.app\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/urff.app\/zh\/wp-json\/wp\/v2\/comments?post=402"}],"version-history":[{"count":10,"href":"https:\/\/urff.app\/zh\/wp-json\/wp\/v2\/pages\/402\/revisions"}],"predecessor-version":[{"id":1353,"href":"https:\/\/urff.app\/zh\/wp-json\/wp\/v2\/pages\/402\/revisions\/1353"}],"wp:attachment":[{"href":"https:\/\/urff.app\/zh\/wp-json\/wp\/v2\/media?parent=402"}],"curies":[{"name":"\u53ef\u6e7f\u6027\u7c89\u5242","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}