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Bearings and scale drawings

Bearings and scale drawings for GCSE Business Studies OCR: what it means, how to set the working out, and the questions it is asked in.
  • GCSE
  • OCR
  • Business Studies
  • Spec P10 · P2
  • 4 min read
  • 10 revision boxes

Introduction

2 boxes
3 min read

What is bearings and scale drawings?

Listen to this box

Transcript

A short spoken summary of bearings and scale drawings and where it is used.

A spoken walk-through of bearings and scale drawings before you read the notes.
Sketch the shape even when the question does not ask for one — it makes the next step obvious.
Worth knowing: ≈160\approx 160.
2 rows

The bearings and scale drawings reference table

Practise the routine version until it is automatic, then move to the multi-step questions.
The layout below is the one the mark scheme expects.

Diagram showing bearings and scale drawings laid out step by step

The same idea drawn out, so the method is visible.
Worth knowing: 49=7\sqrt{49} = 7.
Term
Meaning
Example
Common slip
Marks
Row 1 column 1
Row 1 column 2
49=7\sqrt{49} = 7
Row 1 column 4
Row 1 column 5
Row 2 column 1
Row 2 column 2
a2+b2=c2a^2 + b^2 = c^2
Row 2 column 4
Row 2 column 5
Row 3 column 1
Row 3 column 2
x2+5x+6=0x^2 + 5x + 6 = 0
Row 3 column 4
Row 3 column 5

Learning

6 boxes
5 steps

How to work with bearings and scale drawings

The examiner marks the working, so a correct answer with no method still drops marks.
Worth knowing: 34×25\frac{3}{4} \times \frac{2}{5}.
  1. Read the question and write down what is being asked for.
  2. Set out the working for bearings and scale drawings in the order the method gives.
  3. Substitute the values and simplify.
Start from the definition and substitute the numbers the question gives you.
Simplify one line at a time: 34×25\frac{3}{4} \times \frac{2}{5}.
Answer: 49=7\sqrt{49} = 7
3 rules

Key facts: Bearings and scale drawings

This idea appears again in the higher-mark questions, so it is worth over-learning.
The layout below is the one the mark scheme expects.

Diagram showing bearings and scale drawings laid out step by step

The same idea drawn out, so the method is visible.
Worth knowing: x2+5x+6=0x^2 + 5x + 6 = 0.

  • Rule 1

    How bearings and scale drawings behaves in the 1st of the cases the specification names.
    x2+5x+6=0x^2 + 5x + 6 = 0

  • Rule 2

    How bearings and scale drawings behaves in the 2nd of the cases the specification names.
    ≈160\approx 160
5 steps

How to work with bearings and scale drawings

Sketch the shape even when the question does not ask for one — it makes the next step obvious.
  1. Read the question and write down what is being asked for.
  2. Set out the working for bearings and scale drawings in the order the method gives.
  3. Substitute the values and simplify.
Start from the definition and substitute the numbers the question gives you.
Simplify one line at a time: x2+5x+6=0x^2 + 5x + 6 = 0.
Answer: ×10\times 10 moves every digit one column left
2 rules

Key facts: Bearings and scale drawings

Practise the routine version until it is automatic, then move to the multi-step questions.
The layout below is the one the mark scheme expects.

Diagram showing bearings and scale drawings laid out step by step

The same idea drawn out, so the method is visible.

  • Rule 1

    How bearings and scale drawings behaves in the 1st of the cases the specification names.
    49=7\sqrt{49} = 7

  • Rule 2

    How bearings and scale drawings behaves in the 2nd of the cases the specification names.
    34×25\frac{3}{4} \times \frac{2}{5}
4 steps

How to work with bearings and scale drawings

The examiner marks the working, so a correct answer with no method still drops marks.
Worth knowing: a2+b2=c2a^2 + b^2 = c^2.
  1. Read the question and write down what is being asked for.
  2. Set out the working for bearings and scale drawings in the order the method gives.
  3. Substitute the values and simplify.
  4. Check the answer against an estimate before writing it down.
Start from the definition and substitute the numbers the question gives you.
Simplify one line at a time: 34×25\frac{3}{4} \times \frac{2}{5}.
Answer: a2+b2=c2a^2 + b^2 = c^2
3 rules

Key facts: Bearings and scale drawings

This idea appears again in the higher-mark questions, so it is worth over-learning.
Worth knowing: ×10\times 10 moves every digit one column left.

  • Rule 1

    How bearings and scale drawings behaves in the 1st of the cases the specification names.
    49=7\sqrt{49} = 7

  • Rule 2

    How bearings and scale drawings behaves in the 2nd of the cases the specification names.
    49=7\sqrt{49} = 7

  • Rule 3

    How bearings and scale drawings behaves in the 3rd of the cases the specification names.
    a2+b2=c2a^2 + b^2 = c^2

20 minutes

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Examples

2 boxes
3 marks · worked

Worked example: bearings and scale drawings

The specification wording is precise here, and the mark scheme follows that wording exactly.
4 marks · worked

Practice question 10: ×10\times 10 moves every digit one column left

This idea appears again in the higher-mark questions, so it is worth over-learning.

Practice bank

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Common questions

How many marks is bearings and scale drawings usually worth?
Between one and four, depending on how many steps the question asks for.
Is this on the GCSE Business Studies OCR paper?
Yes — it sits in the Spoken language strand.