Quantcast
Channel: Math Mistakes » Vector and Matrix Quantities
Browsing latest articles
Browse All 3 View Live

Image may be NSFW.
Clik here to view.

Perpendicular Vectors

Assignment: reconstruct what was going through the student’s mind as she solved this problem and, apparently, answered the problem with confidence. This mistake has been brought to you by Kate Nowak,...

View Article



Image may be NSFW.
Clik here to view.

Perpendicular(?) Vectors

What’s the mistake? Why did the student make this mistake, in particular? Thanks again to the tweeting and blogging Kate Nowak for this submission.

View Article

Image may be NSFW.
Clik here to view.

Mistaken algorithms, cognitive load, and mysterious association

  These mistakes are mine. I was tasked with checking the associative property with matrix multiplication, i.e. checking that (AB)C = A(BC). This was my first attempt. See the problem?   By my...

View Article
Browsing latest articles
Browse All 3 View Live




Latest Images