This is a straight up student-empathy question: what was this kid’s thought process like?
Thanks to Tina for the submission!
Editor’s Note: I categorized this as Grade 7 – Geometry in the CCSS, but I’m not really sure if that’s right. Where does this belong?
What’s the fastest way to help this kid?
Where does this mistake come from? I mean, the kid knows that 1 – 1 = 0, right? So does the kid think that 1 – (-1) = 0 too, or does the kid misconstrue this as 1 – 1? What’s your theory?
Thanks to Chris Robinson for the work sample.
What’s the quickest way that you could help this student?
Thank you to Anne Bailey for the submission!
What’s the fastest way to help this 9th grade student?
Wha? Explain in the comments.
And thanks again to Chris Robinson for the submission.
Say something smart in the comments, and then go hang out at Chris Robinson‘s place.
What’s the mistake? Why this mistake in particular?
Thanks again to Louise Wilson for the submission.
There’s some context that’s necessary for this post. So go read Nathan Kraft’s post about arithmetic with negative numbers.
What’s the mistake? Thoughts?
This piece of student work is kindly submitted by 3-act maven Chris Robinson.
What’s going on here? What’s the misconception? What is there to build on?
Thanks to Nathan Kraft for the submission. Click on the blue words to check out his blog and this blue word to follow his tweets.