[math4] Activity: adding/subtracting whole numbers

[Edward Cherlin]

I didn't see David's request to continue on the list before I replied
offline. Here you go.

On Fri, Aug 28, 2009 at 9:57 AM, Edward Cherlin<echerlin at gmail.com> wrote:
> I am referring to the work of Caleb Gattegno, starting with the book
> that is included in every box of Cuisenaire rods. See also Gattegno's
> books
>
> For the teaching of elementary mathematics
> Qualitative arithmetic: The study of numbers from 1 to 20
> What We Owe Children The Subordination of Teaching to Learning
> Now Johnny can do arithmetic
> Mathematics with Numbers in Color, Book A
> The common sense of teaching mathematics
> Modern mathematics with numbers in colour
> Know Your Children as They Are
>
> He also wrote extensively on teaching languages.
>
> On Fri, Aug 28, 2009 at 8:13 AM, John Posner<jjposner at optimum.net> wrote:
>> Edward Cherlin wrote:
>>>
>>> On Wed, Aug 26, 2009 at 1:37 PM, John Posner<jjposner at optimum.net> wrote:
>>>
>>>>
>>>> Hi --
>>>>
>>>> I've just Sugarized my "BlockHead" application, which enables kids to
>>>> add/subtract multiple-digit numbers by dragging Cuisenaire-like blocks.
>>>>
>>>
>>> +1
>>>
>>> I've been wishing for that. Do you know how to do multiplication,
>>> division, fractions, and concepts of algebra such as commutativity in
>>> Cuisenaire rods?
>>>
>>>
>>
>> Thanks for the support, Edward. I'm tempted to answer "yes", but then I'm
>> not sure exactly what you're getting at. I'd be very happy to continue this
>> discussion off-list. Feel free to contact me at jjposner at optimum.net.
>>
>> -John
>>
>>
>
>
>
> --
> Edward Mokurai Cherlin
> Silent Thunder (默雷/धर्ममेघशब्दगर्ज/دھرممیگھشبدگر ج) is my name, and
> Children are
> my nation. The Cosmos is my dwelling place, the Truth my destination.
> http://earthtreasury.org/
>



-- 
Edward Mokurai Cherlin
Silent Thunder (默雷/धर्ममेघशब्दगर्ज/دھرممیگھشبدگر ج) is my name, and
Children are
my nation. The Cosmos is my dwelling place, the Truth my destination.
http://earthtreasury.org/