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# Massachusetts Comprehensive Assessment System

 Question 18: Open-Response Reporting Category: Operations and Algebraic ThinkingStandard: Mathematics.3.OA.1.03 - Use multiplication and division within 100 to solve word problems in situations involving equal groups, arrays, and measurement quantities, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem. [Note: See Glossary, Table 2.] Christopher planted 24 bean plants in his garden. He placed the bean plants in 4 rows. Each row had the same number of plants.Draw an array to show how Christopher placed all the bean plants in his garden.How many bean plants did Christopher place in each row?

### 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 Operations and Algebraic Thinking concepts involved in using division within 100 to solve word problems in situations involving equal groups, arrays, and measurement quantities. The student draws an array to represent a problem and solves the problem.
2
1 The student response demonstrates a fair understanding of the Operations and Algebraic Thinking concepts involved in using division within 100 to solve word problems in situations involving equal groups, arrays, and measurement quantities. 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 Operations and Algebraic Thinking concepts involved in using division within 100 to solve word problems in situations involving equal groups, arrays, and measurement quantities to merit any points.

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