{"id":4349,"date":"2015-02-02T14:34:05","date_gmt":"2015-02-02T14:34:05","guid":{"rendered":"http:\/\/impact.ucdsehd.net\/?p=4349"},"modified":"2015-02-02T14:34:05","modified_gmt":"2015-02-02T14:34:05","slug":"ever-wonder-why-rate-and-ratio-are-so-difficult-for-students-to-learn","status":"publish","type":"post","link":"https:\/\/sehd.ucdenver.edu\/impact\/2015\/02\/02\/ever-wonder-why-rate-and-ratio-are-so-difficult-for-students-to-learn\/","title":{"rendered":"Ever wonder why rate and ratio are so difficult for students to learn?"},"content":{"rendered":"<p>Check out this recent research:<\/p>\n<p>Johnson, H. L. (2015) Secondary students\u2019 quantification of ratio and rate: A framework for reasoning about change in covarying quantities. Mathematical Thinking and Learning, 17(1), 64-90.<br \/>\n<a href=\"http:\/\/www.tandfonline.com\/doi\/full\/10.1080\/10986065.2015.981946\" target=\"_blank\">http:\/\/www.tandfonline.com\/doi\/full\/10.1080\/10986065.2015.981946<\/a><\/p>\n<p>Johnson, H. L. (2015). Together yet separate: Students\u2019 associating amounts of change in quantities involved in rate of change. Educational Studies in Mathematics, 1-22. doi: 10.1007\/s10649-014-9590-y<br \/>\n<a href=\"http:\/\/link.springer.com\/article\/10.1007\/s10649-014-9590-y?sa_campaign=email\/event\/articleAuthor\/onlineFirst\" target=\"_blank\">http:\/\/link.springer.com\/article\/10.1007\/s10649-014-9590-y?sa_campaign=email\/event\/articleAuthor\/onlineFirst<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Check out this recent research: Johnson, H. L. (2015) Secondary students\u2019 quantification of ratio and rate: A framework for reasoning about change in covarying quantities. Mathematical Thinking and Learning, 17(1), 64-90. http:\/\/www.tandfonline.com\/doi\/full\/10.1080\/10986065.2015.981946 Johnson, H. L. (2015). Together yet separate: Students\u2019 associating amounts of change in quantities involved in rate of change. Educational Studies in Mathematics, [&hellip;]<\/p>\n","protected":false},"author":75,"featured_media":4350,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-4349","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"_links":{"self":[{"href":"https:\/\/sehd.ucdenver.edu\/impact\/wp-json\/wp\/v2\/posts\/4349","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sehd.ucdenver.edu\/impact\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sehd.ucdenver.edu\/impact\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sehd.ucdenver.edu\/impact\/wp-json\/wp\/v2\/users\/75"}],"replies":[{"embeddable":true,"href":"https:\/\/sehd.ucdenver.edu\/impact\/wp-json\/wp\/v2\/comments?post=4349"}],"version-history":[{"count":0,"href":"https:\/\/sehd.ucdenver.edu\/impact\/wp-json\/wp\/v2\/posts\/4349\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sehd.ucdenver.edu\/impact\/wp-json\/"}],"wp:attachment":[{"href":"https:\/\/sehd.ucdenver.edu\/impact\/wp-json\/wp\/v2\/media?parent=4349"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sehd.ucdenver.edu\/impact\/wp-json\/wp\/v2\/categories?post=4349"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sehd.ucdenver.edu\/impact\/wp-json\/wp\/v2\/tags?post=4349"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}