reading1

In addition to the original location:

https://theconversation.com/knowledge-is-a-process-of-discovery-how-constructivism-changed-education-126585

the first reading is available for your convenience through a couple of other routes:

http://hfoss.rocfoss.org/assignments/

http://hfoss.rocfoss.org/static/hw/how-constructivism-changed-education.html

or

https://github.com/ritjoe/hfoss/ under assets

https://github.com/ritjoe/hfoss/blob/master/assets/how-constructivism-changed-education.html

Depending on how up-to-date your local clone of the course repo is, you may very likely have a local copy of it at hand already.