iRubric: Geometry Proof Project rubric

The proof is written not as a two column or flow chart proof.
The columns are not labeled.
All statements and reasons are not numbered. The steps are not connected by arrows.

More than two structure elements are missing.

More than one structure element is missing.

The proof is written as a two column or flow chart proof.
The columns are labeled.
All statements and reasons are numbered. The steps are connected by arrows.

Explanation is difficult to understand and is missing several components or was not included. Shows very limited understanding of the underlying concepts needed to solve the problems or is not written.

Explanation is a little difficult to understand, but includes critical components. Shows some understanding of the mathematical concepts needed to solve the problem(s). Explanation is understandable. Shows substantial understanding of the mathematical concepts used to solve the problem.

Explanation is understandable. Shows substantial understanding of the mathematical concepts used to solve the problem.

Explanation is detailed and clear. Shows complete understanding of the mathematical concepts used to solve the problem.

There are spelling, grammar, and punctuation errors. Sentences are fragments or run-on sentences. The work appears sloppy and unorganized. It is hard to know what information goes together.

There are spelling, grammar, and punctuation errors. Sentences are fragments or run-on sentences. Handwriting is messy. The work is presented in an organized fashion but may be hard to read at times.

Student uses good conventions. Sentences are complete, well-constructed, clear and used descriptive language. Handwriting is clear. The work is presented in a neat and organized fashion that is usually easy to read.

Student uses good conventions. Sentences are complete, well-constructed, clear and used descriptive language. Handwriting is clear and the solution is organized. The work is presented in a neat, clear, organized fashion that is easy to read.