 ...(LP).
 This NSFfunded program has been in operation since 1989,
beginning with high school teachers. Middle school and K8 teachers
have joined more recently. Further details on the program can be
found in [32]. Suggestions for and comments on resources are
gathered at alumni sharing sessions, through email to a group bulletin
board, and individual contacts.
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 ...over.
 Since separate courses on discrete mathematics don't
make much sense at levels K8, recommendations in this
section are primarily from high school teachers; however, middle and
elementary school teachers have enjoyed using these texts as resources.
At the elementary level, the Everyday Math Program from
the Everyday Learning Corp. (Janson), Math Their Way
from Creative Publications,
or materials from Mimosa Publications can be used to create
a mathematics curriculum which incorporates many discrete concepts.
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 ...graphs.
 These modules are
Drawing Pictures with One Line,
The Mathematician's Coloring Book, and
Problem Solving with Graphs, described in
Section 3.
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 ...aspects
 See also Ethnomathematics
in Section 5.3.
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 ...survey.
 The survey was conducted informally using
the electronic mailing list TheoryNet, in May 1993.
Rosen's book was
mentioned by faculty from U. Mass (Amherst), Columbia,
U.C. Santa Cruz, U.C. Berkeley, RPI, SUNY Brockport, and U. Kansas.
On the other hand, when I (Franzblau) did a similar informal survey
of colleagues (mainly in mathematics departments),
I found no clear favorite text, though Rosen's
book was mentioned favorably [13].
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 ...mathematics.

In [30], the author provides examples of
applications of discrete topics and discusses how he
uses them in the classroom.
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 ...$69),
 Turtle Math was created by Doug Clements and Julie Sarama
[7],
and is available through both Dale Seymour and LCSI.
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