MA.912.G.1.1Archived Standard

Find the lengths and midpoints of line segments in two-dimensional coordinate systems.

Remarks

Example: Find the length and midpoint of the line segment joining the points A (3, -8) and B (9, 0).
General Information
Subject Area: X-Mathematics (former standards - 2008)
Grade: 912
Body of Knowledge: Geometry
Idea: Level 2: Basic Application of Skills & Concepts
Standard: Points, Lines, Angles, and Planes - Understand geometric concepts, applications, and their representations with coordinate systems. Find lengths and midpoints of line segments, slopes, parallel and perpendicular lines, and equations of lines. Using a compass and straightedge, patty paper, a drawing program or other techniques, construct lines and angles, explaining and justifying the processes used.
Date Adopted or Revised: 09/07
Date of Last Rating: 06/07
Status: State Board Approved - Archived
Assessed: Yes
Test Item Specifications
  • Item Type(s): This benchmark may be assessed using: MC , FR item(s)

  • Clarification :

    Students will find the length or midpoint or one of the end points of a segment.

    Students will justify lengths of segments.

  • Content Limits :

    Items may require multiple steps.

    Items may include both distance and midpoint.

  • Stimulus Attributes :

    Graphics should be used for most of these items, as appropriate.

    Items may be set in either real-world or mathematical contexts.

  • Response Attributes :

    Fill-in response items may require that students provide the length of a segment or the x-coordinate (or y-coordinate) of a point of interest.

    Fill-in response items may have a negative answer.

Sample Test Items (2)
  • Test Item #: Sample Item 1
  • Question:

    The circle shown below is centered at the origin and contains the point (-4, -2).

     

    Which of the following is closest to the length of the diameter of the circle?

  • Difficulty: N/A
  • Type: MC: Multiple Choice

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