BOX 9.5
Slaminan Number System
An example of how technology-supported conversations can help students
refine each other's thinking comes from an urban elementary classroom.
Students worked in small groups to design different aspects of a
hypothetical culture of rain forest dwellers (Means et al., 1995).
The group that was
charged with developing a number system for the hypothetical culture
posted the following entry:
This is the slaminan's
number system. It is a base 10 number system too. It has a pattern to
it. The number of lines increase up to five then it goes upside down
all the way to 10.
Another student group
in the same classroom reviewed this CSILE posting and displayed
impressive analytic skills (as well as good social skills) in a response
pointing out the need to extend the system:
We all like the number
system but we want to know how the number 0 looks like, and you can do
more numbers not just 10 like we have right now.
Many students in this
classroom speak a language other than English in their homes. CSILE
provides opportunities to express their ideas in English and to receive
feedback from their peers.