TA1: Buy Buy Baby Rubric

Team name______________________________ Student name_______________

CATEGORY	4	3	2	1
Mathematical concepts	The explanation shows complete understanding of the mathematical concepts used to solve the problem(s).	The explanation shows substantial understanding of the mathematical concepts used to solve the problem(s).	The explanation show some understanding of the mathematical concepts needed to solve the problem(s).	The explanation shows very limited understanding of the underlying concepts needed to solve the problem(s) OR is not written.
Mathematical reasoning	Uses complex and refined mathematical reasoning.	Uses effective mathematical reasoning.	Some evidence of mathematical reasoning.	Little evidence of mathematical reasoning.
Mathematical errors	90-100% of the steps and solutions have no mathematical errors.	Almost all (85-89%) of the steps and solutions have no mathematical errors.	Most (75-84%) of the seps and solutions have no mathematical errors.	More then 75% of the steps and solutions have mathematical errors.
Working with others	The team worked well as engaged partners, listening to suggestions of others and working cooperatively throughout lesson.	The team worked moderately well as engaged partners but had trouble listening to others and/or working cooperatively.	The team worked somewhat well: cooperated with one another but needed prompting to stay on-task.	The team did not work cooperatively with one another.
Explanation	The explanation is detailed and clear.	The explanation is clear.	The explanation is a little difficult to understand, but includes critical components.	The explanation is difficult to understand and is missing several components OR was not included.

CATEGORY	4	3	2	1
Checking	The work has been checked by all team members and all appropriate corrections made.	The work has been checked by one team member and all appropriate corrections made.	The work has been checked by one team member but some corrections were not made.	The work was not checked by any team members OR no corrections were made based on feedback.
Neatness and organization	The work is presented in a neat, clear, organized manner.	The work is presented in a neat and organized fashion that is usually easy to read.	The work is presented in an organized fashion but may be hard to read at times.	The work appears sloppy and unorganized. It is hard to know what information goes together.
Mathematical terminology and notation	Correct terminology and notation are always used, making it easy to understand what was done.	Correct terminology and notation are usually used, making it fairly easy to understand what was done.	Correct terminology and notation are used, but it is sometimes not easy to understand what was done.	There is little use, or a lot of inappropriate use, of terminology and notation.
Strategy procedures	Typically, uses an efficient and effective strategy to solve the problem(s).	Typically, uses an effective strategy to solve the problem(s).	Sometimes uses an effective strategy to solve problems, but does not do it consistently.	Rarely uses an effective strategy to solve problems.