Rubric for explanations of mathematical ideas

5 points	Demonstrates full understanding. Explains with appropriate models and mathematical justification.
4 points	Shows basic understanding but does not go beyond minimal explanations.
3 points	Shows basic understanding with minimal explanations but has minor points missing or unclear.
2 points	Shows gaps in concepts or understanding. Ideas are not well connected.
1 point	Shows partial understanding. Explanations are incomplete or unclear.
0 points	Shows little evidence of understanding.