192
Copyright © 3P Learning – These resources have been created in partnership with Dr. Marian Small.
For more information visit
www.mathletics.comRubric
Level 1
Level 2
Level 3
Level 4
The student is unable
to determine even one
pair of numbers that
work.
The student does not
realise, in advance, that
B must be less than A.
The student does not
know how to use one
solution to easily get
another.
The student determines
at least one or two pairs
of numbers that work.
He or she can show
that the calculations
are correct.
The student predicts
that B must be less
than A without giving
clear reasons.
The student does not
know how to use one
solution to easily get
another.
The student determines
at least three or four
pairs of numbers
that work. He or she
can show that the
calculations are correct.
The student predicts
that B must be less
than A and gives
some reasons.
The student does not
know how to use one
solution to easily get
another.
The student determines
that, in general, B is
75% of A and clearly
explains why.
The student easily
predicts and explains
why B must be less
than A without actually
performing any
calculations.
The student shows an
understanding that
once A and B work, so
does any pair created
by multiplying A and B
by the same amount.
Original Prices
Number




