Can-do Trigonometry - Bobby : Grade Commentary
Bobby has demonstrated extensive knowledge and understanding of trigonometric ratios in relation to right-angled triangles. Accurate examples using the three trigonometric ratios have been provided. Sides and angles have been consistently and accurately calculated using efficient strategies. There is one error in the working but Bobby has demonstrated a very high level of competence in the processes and skills overall. This work sample demonstrates characteristics of work typically produced by a student performing at grade A standard midway through Stage 5.
Grade A
The student has an extensive knowledge and understanding of the content and can readily apply this knowledge. In addition, the student has achieved a very high level of competence in the processes and skills and can apply these skills to new situations.
Full list of grade descriptions
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
