Timothy Sorey|Teri Willard|Duane Sholz
An Activity Promoting the Practice of Quantitative Literacy for Pre- and In-Service Teachers of Mathematics and Science
Central Washington University|Central Washington University|Central Washington University
purpose article describe handson laboratory activity provided preservice teachers mathematics science methods courses also inservice mathematics teachers opportunity exercise quantitative literacy ql skillsthe focus activity electrical resistance particularly resistance ohms painted small resistors use colorcoded bands one band errorthe activity consists four partsin first student teams familiarize code measure ohmage resistors codes visible compare measurements labelsin second part activity teams measure ohmage many resistorsall batchon code bands coveredin third part decide statistics use determine code bands resistors make poster presentations predictions compare predictions actual labelat end third part activity student teams discover predictions match labels placed cognitive conflictin fourth part activitythe ql partthey integrate learned nano micro macroscopic structure resistors statistical measures used find marketing practices present written argument explaining discrepancypreand posttests show students learn statistical resistor material associated activity qualitative assessment written explanations discrepancy show students various levels success integrating mathematical understanding science business context measurement activity