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www.mathletics.comRubric
Level 1
Level 2
Level 3
Level 4
The student finds only
one or two sets of
numbers and does
not address impossible
numbers.
The student’s strategy
appears somewhat
random with no clear
indication that he/she
sees any patterns or
relationships.
The student does not
make a prediction
about 60 objects or
predicts incorrectly.
The student finds
only a few possible
sets of numbers. The
student does not find
impossible numbers
greater than 3.
The student’s strategy
appears somewhat
random with no clear
indication that he/she
sees any patterns or
relationships.
The student does not
make a prediction
about 60 objects or
predicts incorrectly.
The student determines
at least four different
possible numbers and
at least two or three
impossible numbers,
including at least one
beyond 3.
The student shows an
approach that would
allow him/her to get
further answers if
requested.
The student may or
may not predict that
60 objects is possible.
The student determines
that all the numbers
that are 3 apart
starting at 3 (i.e., 3, 6,
9, 12, 15, …) are possible
and no other numbers
are possible.
The student explains
why a number 3 greater
than any answer that
works also has to work
or recognises in some
other way why there is
a neverending set of
possibilities.
The student predicts
that 60 objects is
possible and gives a
clear reason as to why.
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