An Introduction To Sets
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Belton, John P. Jones Metro. H. S.
The student(s) will recognize the symbol for set and will demonstrate
the rules of set.
A random sample of materials, some of which have a common factor
(color, shape, type of material, weight - mass, or other physical
The teacher (or students) will provide individual items. The
student is asked to list the characteristics, or properties of the
object. He (or she) is then asked to compare his list with a fellow
student's list to make a master list. This step may be repeated more
than once depending on the size of the class, and the comprehension of
the student(s) regarding the categorizing, or classification process.
The teacher may ask for a volunteer to put his list on the board for
purposes of comparison, and illustration. The teacher will then
introduce the term and notation for set, and will establish the rules
for inclusion or exclusion from a particular set. Following a
demonstration, new materials (or objects) will be introduced and used
by the student to test his (or her) understanding. Abstract symbols
are now introduced with further demonstration and testing by teacher