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# Massachusetts Comprehensive Assessment System

Question 11: Open-Response
Ms. Gallo’s class is solving the problem in the box below.
 Emma had 26 stickers.She gave some stickers to Janet.Then Emma had 18 stickers left.How many stickers did she give to Janet?
1. Write a number sentence using subtraction that matches the problem.
1. Write a number sentence using  or  that correctly compares the number of stickers Emma gave to Janet to the number of stickers Emma had left.

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

ScoreDescription
2 The student response demonstrates an exemplary understanding of the Patterns, Relations, and Algebra concepts involved in writing number sentences to represent mathematical relationships in everyday situations. The student writes a subtraction number sentence and a comparison number sentence to match a given situation.
2
1 The student response demonstrates a fair understanding of the Patterns, Relations, and Algebra concepts involved in writing number sentences to represent mathematical relationships in everyday situations. While some aspects of the task are completed correctly, others are not. The mixed evidence provided by the student merits 1 point.
0 The student response contains insufficient evidence of an understanding of the Patterns, Relations, and Algebra concepts involved in writing number sentences to represent mathematical relationships in everyday situations to merit any points.

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

None found...