Home > Subjects > Mathematics > Level 1 > 1.6 Geometric reasoning (AS91031) > Key tips
- Subject: Mathematics
- AS: 91031
- Level: 1
- Credits: 4
- External
Mathematics 1.6 Apply geometric reasoning in solving problems
Key tips
- Attempt all questions.
- Pythagoras’ theorem and trigonometric ratios are included in this standard.
- Learn to name angles correctly eg ∠ABC.
- Do not assume information that is not supplied in a diagram.
- Geometric reasons must be in words, not diagrams.
- Appropriate abbreviations are acceptable for reasons.
- Learn geometric reasons . Use the correct words or abbreviations. You will find a list of these in your textbook or revision book.
- Check that your calculator is in "degree" mode at the start of the exam.
- Round angle measurements to 1 decimal place unless told otherwise, for example, 'The angle is 56.7 º (1dp).'
- For Achievement with Merit and Achievement with Excellence, you must have a geometric reason for every step.
- Provide reasons for all questions in this achievement standard. Although reasons may not be asked for in the Achievement questions, they may be used as evidence for the Achievement with Merit and Achievement with Excellence questions where reasons are required.
- Round lengths using significant figures, for example, 'The distance is 360 metres (2sf).'
- Check that your answer makes sense in the context of the question. If not, check your working and method.
- A scale drawing is not appropriate in this achievement standard.
- A bearing is and angle measured in a clockwise direction from North.
- Write bearings with only 3 digits (no decimals).
