
Re: Simplifying Algebraic Expressions with Subtracted Expressions
Posted:
Nov 16, 2013 1:20 AM


R Hansen says: >If so, then why don't people solve problems this way professionally?
OK Robert  so in your opinion all pedagogy, even at early grades, is professional training?
>How do you teach the students to actually solve the problem, without a picture?
As opposed to unactually solving the problem with a picture and unobtaining the incorrect answer, but rather coming up with the correct answer?
Cheers, Joe N

