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Dan Christensen

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4 Questions

Votes Activity Newest Views
 
4
votes
1
answer
208
views

Are students being adversely affected by cranks or trolls in online math forums?

secondary-education
Dec 5 '17 at 17:13 Nate Bade 1,843
 
2
votes
4
answers
264
views

Might it be helpful for students to have different symbols for subtraction (-) and negation ( _ )?

secondary-education algebra middle-school
Dec 13 '17 at 13:36 Dan Christensen 693
 
1
vote
1
answer
186
views

US High School Geometry: What are all the “reasons” allowed in two column proofs?

geometry
Dec 11 at 18:40 Matthew Daly 3,827
 
0
votes
1
answer
225
views

Comments on my approach to Group Theory notes?

undergraduate-education abstract-algebra
Apr 9 '16 at 6:37 Jessica B 5,380
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