Aki showed us a chapter of a Japanese 5th grade textbook which he and a colleague are translating into English. This three-week chapter dealt with the development of the area formulas for quadrilaterals and triangles. As he showed us the pages, he pointed out the frequent use of open-ended questions. Click on image to view larger version. View Day 13 or download (PowerPoint file) We spent the rest of the hour in groups finishing our problems. Problems from each table (PDF and GSP files): Table 1: What Is the Sum of the Angles? Back to: Class Notes PCMI@MathForum Home || IAS/PCMI Home
With program support provided by Math for America This material is based upon work supported by the National Science Foundation under DMS-0940733 and DMS-1441467. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation. |