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Jamie has demonstrated sound knowledge and understanding of trigonometric ratios. The tan ratio is the only one that has been used but the calculations are accurate. Angles have been found but the setting-out of the problem is poor: no introductory line, variables left out; rounding without calculator display; inconsistent use of metres and centimetres. Although the question posed by Jamie is a practical problem of sorts, it lacks specific detail. This sheds doubt on the understanding of the term ‘angle of depression’ or any related concepts. This work sample demonstrates characteristics of work typically produced by a student performing at grade C5 standard at the end of Stage 5.
Grade C
The student has a sound knowledge and understanding of the main areas of content and has achieved an adequate level of competence in the processes and skills.Areas for Assessment
- Working mathematically
Knowledge, skills and understanding developed through inquiry, application of problem-solving strategies, communication, reasoning and reflection - Measurement
Knowledge, skills and understanding in identifying and quantifying attributes of shapes and objects and applying measurement strategies