{"id":1531,"date":"2016-08-19T21:49:41","date_gmt":"2016-08-19T21:49:41","guid":{"rendered":"http:\/\/www.revista-educacion-matematica.org.mx\/revista\/?p=1531"},"modified":"2016-08-19T22:18:43","modified_gmt":"2016-08-19T22:18:43","slug":"esp1-13-en","status":"publish","type":"post","link":"https:\/\/www.revista-educacion-matematica.org.mx\/revista\/2016\/08\/19\/esp1-13-en\/","title":{"rendered":"Research on fractions: experiences inspired in the teaching experiment methodology"},"content":{"rendered":"<p>Jos\u00e9 Luis Cortina<\/p>\n<p><strong>Abstract:<\/strong> We discuss the contributions to the field of fractions of four research projects,<br \/>\nconducted by the author and his colleagues. Several aspects of the design research<br \/>\nmethodology were central to the implementation of these projects. The contributions<br \/>\ninclude specifying the big ideas of learning fractions, identifying viable starting points,<br \/>\nand developing instructional innovations to support students\u2019 understanding of this<br \/>\nconcept.<\/p>\n<p><strong>Keywords:<\/strong> fractions, design experiments, proportional reasoning.<\/p>\n<p><a href=\"http:\/\/www.revista-educacion-matematica.org.mx\/descargas\/Esp-1-13.pdf\"><img loading=\"lazy\" class=\"alignleft size-full wp-image-279\" src=\"http:\/\/www.revista-educacion-matematica.org.mx\/revista\/wp-content\/uploads\/2016\/05\/download.png\" alt=\"download\" width=\"200\" height=\"71\" srcset=\"https:\/\/www.revista-educacion-matematica.org.mx\/revista\/wp-content\/uploads\/2016\/05\/download.png 200w, https:\/\/www.revista-educacion-matematica.org.mx\/revista\/wp-content\/uploads\/2016\/05\/download-150x53.png 150w\" sizes=\"(max-width: 200px) 100vw, 200px\" \/><\/a><\/p>\n<p><span style=\"border-radius: 2px; text-indent: 20px; width: auto; padding: 0px 4px 0px 0px; text-align: center; font: bold 11px\/20px 'Helvetica Neue',Helvetica,sans-serif; color: #ffffff; background: #bd081c  no-repeat scroll 3px 50% \/ 14px 14px; position: absolute; opacity: 1; z-index: 8675309; display: none; cursor: pointer;\">Guardar<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Jos\u00e9 Luis Cortina Abstract: We discuss the contributions to the field of fractions of four research projects, conducted by the author and his colleagues. Several aspects of the design research methodology were central to the implementation of these projects. The contributions include specifying the big ideas of learning fractions, identifying\u2026 <a class=\"continue-reading-link\" href=\"https:\/\/www.revista-educacion-matematica.org.mx\/revista\/2016\/08\/19\/esp1-13-en\/\">Continue reading<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1,220],"tags":[],"_links":{"self":[{"href":"https:\/\/www.revista-educacion-matematica.org.mx\/revista\/wp-json\/wp\/v2\/posts\/1531"}],"collection":[{"href":"https:\/\/www.revista-educacion-matematica.org.mx\/revista\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.revista-educacion-matematica.org.mx\/revista\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.revista-educacion-matematica.org.mx\/revista\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.revista-educacion-matematica.org.mx\/revista\/wp-json\/wp\/v2\/comments?post=1531"}],"version-history":[{"count":2,"href":"https:\/\/www.revista-educacion-matematica.org.mx\/revista\/wp-json\/wp\/v2\/posts\/1531\/revisions"}],"predecessor-version":[{"id":1548,"href":"https:\/\/www.revista-educacion-matematica.org.mx\/revista\/wp-json\/wp\/v2\/posts\/1531\/revisions\/1548"}],"wp:attachment":[{"href":"https:\/\/www.revista-educacion-matematica.org.mx\/revista\/wp-json\/wp\/v2\/media?parent=1531"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.revista-educacion-matematica.org.mx\/revista\/wp-json\/wp\/v2\/categories?post=1531"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.revista-educacion-matematica.org.mx\/revista\/wp-json\/wp\/v2\/tags?post=1531"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}