Date: Oct 17, 2012 7:49 PM
Author: Robert Hansen
Subject: Re: In favor of teaching "dot notation"


On Oct 17, 2012, at 5:38 PM, kirby urner <kirby.urner@gmail.com> wrote:

> For example, if you're "2", a member of the set Z (integers) then your blueprint / template includes circuitry / a recipe for "adding".


And the sum of 12, 63.4, 10 and 56 would be?

How about 3 * (4 + 2) - 16 / (7 + 1)?

How do you handle units? Like 12 miles or 14 hours?

How do you show a rational function between polynomials, such that a student can see it and simplify it or factor it?

Bob Hansen