School Improvement in Maryland

Using the State Curriculum: Mathematics, Grade 5

Algebra | Geometry | Measurement | Statistics | Probability | Number | Processes

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Standard 1.0 Knowledge of Algebra, Patterns, and Functions

Topic C. Numeric and Graphic Representations of Relationships

Indicator 1. Locate points on a number line and in a coordinate grid

Objective a. Represent decimals and mixed numbers on a number line

Assessment limit: Use decimals with no more than two decimal places (0 – 100) or mixed numbers with denominators of 2, 3, 4, 5, 6, 8, or 10 (0 - 10)

Extended Constructed Response (ECR) Item

Look at this number line.

Step A
Plot a point on the number line that represents the location of 2one sixth

Step B

  • Explain why the point you plotted is correct. Use what you know about number lines in your explanation. Use words, numbers, and/or symbols in your explanation.
  • Benjamin says that if he divides the number line between 2 and 3 into two equal parts, the location of the point 2one sixth will change. Explain why Benjamin is correct or incorrect. Use what you know about number lines in your explanation. Use words, numbers, and/or symbols in your explanation.

/share/assessment_items/xml/items/msa_math_5_025.xml

Correct Answer:
rubric

Assessment limit:
Use decimals with no more than two decimal places (0 – 100) or mixed numbers with denominators of 2, 3, 4, 5, 6, 8, or 10 (0 - 10)

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