On Sat, Aug 23, 2014 at 2:27 PM, Robert Hansen <bob@rsccore.com> wrote:>> On Aug 23, 2014, at 4:45 PM, kirby urner <kirby.urner@gmail.com> wrote:>> > Confining fractions" to mean rational numbers" is a worthwhile step in> at least some lesson plans, as then we are getting back into the fact that> numbers come in types, as in types of number.>> No one is *confining* anything.