- Note to self: When Storify gives a 404 error, don't go ahead and save it to the Storypad and hope for the best. It seems to then forever remember the image is gone, even though it isn't (click through to the original tweet to see).
Ball, D. L. (1988). Unlearning to teach mathematics.
Ball, D. L. (1988). Unlearning to teach mathematics. For the Learning of Mathematics, 8(1), 40–48. Retrieved from http://www.jstor.org/stable/40248141
byRaymond Johnson279 Views