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# Massachusetts Comprehensive Assessment System

### Scoring Guide and Sample Student WorkSelect a score point in the table below to view the sample student response.

ScoreDescription
4 The student response demonstrates an exemplary understanding of the Number and Quantity concepts involved in solving multi-step real-life and mathematical problems and assessing the reasonableness of answers. The student finds the values of given expressions, and inserts a set of parentheses into a numerical expression so that the expression simplifies to a given value.
4
3 The student response demonstrates a good understanding of the Number and Quantity concepts involved in solving multi-step real-life and mathematical problems and assessing the reasonableness of answers. Although there is significant evidence that the student was able to recognize and apply the concepts involved, some aspect of the response is flawed. As a result the response merits 3 points.
2 The student response demonstrates a fair understanding of the Number and Quantity concepts involved in solving multi-step real-life and mathematical problems and assessing the reasonableness of answers. While some aspects of the task are completed correctly, others are not. The mixed evidence provided by the student merits 2 points.
1 The student response demonstrates a minimal understanding of the Number and Quantity concepts involved in solving multi-step real-life and mathematical problems and assessing the reasonableness of answers.
0 The student response contains insufficient evidence of an understanding of the Number and Quantity concepts involved in solving multi-step real-life and mathematical problems and assessing the reasonableness of answers to merit any points.

Note: There are 2 sample student responses for Score Point 4.

Question 17:
Question 20:
Question 21:
Question 36:
Question 41:
Question 42: