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Learning objective

Create and understand scale drawings using a ruler for straight lines. Interpret three-figure bearings, which are measured clockwise from north (000° to 360°). For example, determine the bearing of point A from point B if the bearing of point B from point A is 025°. This includes knowledge of the directions north, east, south, and west, such as identifying that point D is directly east of point C.

Read the explanation, check the common trap, then practise with flashcards and questions.

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  • Read the explanation.
  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE MathematicsCore Geometry

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Quick explanation

Create and understand scale drawings using a ruler for straight lines. Interpret three-figure bearings, which are measured clockwise from north (000° to 360°). For example, determine the bearing of point A from point B if the bearing of point B from point A is 025°. This includes knowledge of the directions north, east, south, and west, such as identifying that point D is directly east of point C

  • This point belongs to Scale drawings, especially Scale drawings outcomes.
  • You need to be able to create and understand scale drawings using a ruler for straight lines. Interpret three-figure bearings, which are measured clockwise from north (000° to 360°). For example, determine the bearing of point A from point B if the bearing of point B from point A is 025°. This includes knowledge of the directions north, east, south, and west, such as identifying that point D is directly east of point C.
  • The key ideas to know are Construct, Describe, and Determine.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

ConstructDescribeDetermineExplain

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This objective helps connect Scale drawings outcomes to exam-style questions, flashcards, and revision notes for Scale drawings.

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Paper 2 structured question: Scale drawings

Paper 2Core or Extended Mathematics2 marks

Description

Scale Drawing Problem

A scale drawing of a park shows the following points: A, B, C, and D. The distance from A to B is 5 cm, which represents 50 m in reality. The bearing of point B from point A is 045°. Determine the bearing of point A from point B.

  1. a

    Calculate the bearing of point A from point B.

    Aim for approximately 2 distinct marking points.

    [2]
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