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Massachusetts Comprehensive Assessment System

2013, Grade 3 Mathematics

  Question 18: Open-Response no calculator allowed
Tony made a number pattern, as shown below.
 65,   60,   55,   50, . . .
  1. What could be the rule for Tony’s pattern?
  2. Use the rule for Tony’s pattern to complete a new number pattern below.
 ___,   101,   96,   ___

Scoring Guide and Sample Student Work
Select 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 identifying arithmetic patterns and explaining them using properties of operations. The student describes the rule for a given pattern and uses the rule to extend a new pattern.
2
1
The student response demonstrates a fair understanding of the Operations and Algebraic Thinking concepts involved in identifying arithmetic patterns and explaining them using properties of operations. 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 identifying arithmetic patterns and explaining them using properties of operations to merit any points.

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

Grade 3 Mathematics

Question 8: Geometry
Question 18: Operations and Algebraic Thinking

Return to the MCAS 2013 Student Work Directory



Last Updated: November 1, 2000
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