**CATEGORY
** |
**4** |
**3** |
**2** |
**1** |

**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. |

**Mathematical
and Scientific Concepts ** |
Explanation
shows complete understanding of the mathematical and scientific
concepts used to solve the problem(s). |
Explanation
shows substantial understanding of the mathematical and scientific
concepts used to solve the problem(s). |
Explanation
shows some understanding of the mathematical and scientific
concepts needed to solve the problem(s). |
Explanation
shows very limited understanding of the underlying concepts
needed to solve the problem(s) OR is not written. |

**Mathematical
and Scientific Reasoning** |
Uses
complex and refined mathematical and scientific reasoning. |
Uses
effective mathematical and scientific reasoning. |
Shows
some evidence of mathematical and scientific reasoning. |
Shows
little evidence of mathematical and scientific reasoning. |

**Neatness,
Organization, Grammar and Spelling** |
The
work is presented in a neat, clear, organized fashion that is
easy to read. |
The
work is presented in a neat and organized fashion that is usually
easy to read. Grammar and spelling are generally correct. |
The
work is presented in an organized fashion but may be hard to
read at times. There are some grammar and spelling errors. |
The
work appears sloppy and unorganized. It is hard to know what
information goes together. Grammar and spelling are poor. |