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Rubric
Level 1
Level 2
Level 3
Level 4
The student does not
meet either condition of
the problem.
The student does
not try to meet
both conditions
simultaneously.
The students knows
that there cannot be
5 shapes, but cannot
explain why.
The student meets one,
but not both, of the
required conditions.
His or her example of
both conditions being
met is incorrect.
The student knows
that there cannot be
5 shapes, but cannot
explain why.
The student correctly
chooses shapes
for each of the two
conditions and provides
an example of how both
conditions could be met
simultaneously.
The student gives a
clear reason why 5
shapes are not possible.
The student correctly
chooses shapes
for each of the two
conditions and
correctly explains or
provides more than one
example of how both
conditions could be met
simultaneously.
The student clearly
explains why the total
number of shapes has
to be 7 or more.
Data




