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4 Points =
All data are depicted and organized correctly and neatly. Written,
mental, and calculator computations are performed accurately. The student
demonstrates an understanding of the problem and is able to carry through
the processes needed to arrive at a conclusion. The student clearly states
and defends his/ her findings.
3 Points = All data are organized correctly, but
graphs and charts are not very well constructed. Most written, mental, and
calculator computations are correct. The student demonstrates only a
partial understanding of the problem and needs some assistance to carry out
the processes needed to arrive at a conclusion. The statement and defense
of the findings is somewhat vague.
2 Points = Data are not well organized, and the
charts/graphs are poorly constructed. The students makes several
computational errors. He/she shows little understanding of the relationship
between decimals and fractions. The student demonstrates little
understanding of the problem and does not carry out the processes needed to
complete the activity. The statement and defense of the findings are
unclear.
1 Point = Data are poorly organized and depicted. Several errors occur
in the student's computations. Very little work is completed and/or
correct. The student demonstrates little, if any, understanding of the
processes needed to perform the activity. No statement or defense of
findings is given.
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