School Improvement in Maryland

Using the State Curriculum: Mathematics, Grade 6

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 plane

Objective b. Graph ordered pairs in a coordinate plane.

Assessment limit: Use no more than 3 ordered pairs of integers (-20 to 20) or no more than 3 ordered pairs of fractions/mixed numbers with denominators of 2 (-10 to 10)

Extended Constructed Response (ECR) Item

Jae made a map of her classroom using a coordinate plane. This table shows the ordered pairs that represent the locations of three students' desks.

Student Location of Desk
Jae (0, 1)
Max (-6, 1)
Adela (-1, -4)

Step A
On the coordinate plane, plot the ordered pairs that represent the locations of the three students' desks.

Step B

  • Explain why the points you plotted are correct. Use what you know about ordered pairs in your explanation. Use words, numbers, and/or symbols in your explanation.
  • Jae wants to add the location of Dallan's desk to her map. Dallan's desk should be plotted at (-4, -4). Jae thinks that if she connects the points she will form a square. Explain whether Jae is correct or incorrect. Use what you know about ordered pairs and geometric shapes in your explanation. Use words, numbers, and/or symbols in your explanation.
/toolkit/vsc/assessment_items/msa_math_6_032.xml

Correct Answer:
rubric

Assessment limit:
Use no more than 3 ordered pairs of integers (-20 to 20) or no more than 3 ordered pairs of fractions/mixed numbers with denominators of 2 (-10 to 10)

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