Math Forum

Re: Some important demonstrations on negative numbers > a MACS syllabus

>From far, far, below ?
"So, Clyde, can you briefly sketch your approach to introducing negative
numbers and

On Dec 2, 2012, at 11:28 PM, "Clyde Greeno @ MALEI" wrote:

> The concept of lines of

The concept of lines of numbers [linearly ordered systems of numbers] was
invoked long before Wallis. In accord with the 17th century confusion

> >I have also provided a precise verbal mapping of the
> instructions that reveal the

>I have also provided a precise verbal mapping of the instructions that reveal the logic of why the products of both -ve x -

On Dec 1, 2012, at 10:25 AM, Joe Niederberger wrote:

> So, Clyde, can you

Clyde says:
>Bottom line: student's common-sensible mathematical encounters with mathematical quantities are their only

On Nov 30, 2012, at 9:40 PM, Robert Hansen wrote:

> But each math teacher should teach

On Nov 30, 2012, at 10:12 PM, "Clyde Greeno" wrote:

> "6 + 4i" means the (6,4)

> > OK thanks Bob. That was a great answer! Please keep
> playing along with the next