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152

Copyright © 3P Learning – These resources have been created in partnership with Dr. Marian Small.

For more information visit

www.mathletics.com

Rubric

Level 1

Level 2

Level 3

Level 4

The student cannot

determine a set of

values for A, B and C

or write an equation to

describe either balance.

The student cannot

explain why C must be

an even amount without

referring to his/her

solutions.

The student is not clear

on how to use the first

balance to show why B

might or might not be

greater than either A

or C.

The student determines

a set of values for A,

B and C and makes

a reasonable attempt

to write an equation

describing one of the

balances.

The student struggles

to explain his/her

strategy for determining

solutions.

The student cannot

explain why C must be

an even amount without

referring to his/her

solutions.

The student is not clear

on how to use the first

balance to show why B

might or might not be

greater than either A

or C.

The student determines

two or three sets of

values for A, B and C

and correctly writes

equations describing

the balances.

The student can explain

his/her strategy for

determining solutions.

The student can explain

why C must be an

even amount without

referring to his/her

solutions.

The student is not clear

on how to use the first

balance to show why B

might or might not be

greater than either A

or C.

The student determines

four or five sets of

values for A, B and C

and correctly writes

equations describing

the balances.

The student can

clearly explain his/her

strategy for determining

solutions; the strategy

is not a random guess

and test.

The student can explain

why C and B must be

even amounts without

referring to his/her

solutions.

The student can explain

why B might or might

not be greater than

either A or C.

We Balance!

Pattern and Algebra