What other mistakes would you expect to see from this problem? How do you teach so as to help students avoid these pitfalls?
Thanks to Tina Cardone for the submission.
What other mistakes would you expect to see from this problem? How do you teach so as to help students avoid these pitfalls?
Thanks to Tina Cardone for the submission.
What made this question hard for the student? How come they got it wrong? Why did the student get it wrong in this particular way?
Today’s submission comes from Tina Cardone, who blogs at Drawing On Math.