The worksheet in which this page is included leads the students into an infinitesimal approach to the FTC via he 4,000 times zoom of CorelDraw as a visual mediator, totally avoiding the limit conception. Unfortunately the file.pdf does not allows zoom-in CDR.
This worksheet introduces the natural logarithm from the accumulated area under the function f(t)=1/t as related to the graphs of the running total and the daily deaths of COVID19 as displayed in the media. The supporting idea is to raise the students’ speeches to provide material for future quilting.
In the practice of our classroom, students are required to individually justify randomly assigned quilting points or sets of quilting points in previously assigned WS, thereby entering into a dialog with the teachers. To make clear what we mean by a quilted speech, we present an episode of our current freshmen calculus course.
The students authorized the publication of their names and images.