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Board of Studies NSW

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  2. Years 7-8
  3. Mathematics
  4. Activities
  5. Diagonals of a Quadrilateral
  6. Additional Information
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Additional Information

Guidelines for marking

The following guidelines for marking show one approach to assigning a value to a student’s work. Other approaches may be used that better suit the reporting process of the school. Categories, marks, grades, visual representations or individual comments/notations may all be useful.

Range

Students in this range:
High
  • identify and accurately draw different types of special quadrilaterals: trapezium, parallelogram, rectangle, rhombus, square, kite
  • make a valid conclusion about the bisection of diagonals for the different types of quadrilaterals.
Satisfactory
  • identify and accurately draw at least two special quadrilaterals
  • identify some quadrilaterals for which the diagonals bisect each other.
Progressing
  • identify and draw one quadrilateral for which the diagonals bisect each other.

Feedback

Students will receive:

  • possible prompt questions related to the assessment activity to assist their engagement
  • written feedback on individual responses in relation to the nature of quadrilaterals for which the diagonals bisect each other
  • specific advice about strategies to further consolidate knowledge, skills and understanding, and suggestions for completing related additional tasks
  • oral feedback (to the class and individuals) related to the overall understanding of the concepts and misconceptions about the mathematical ideas.
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