Home / CIE 0452 Accounting / The accounting equation
CIE 0452 Accounting · IGCSE · Topic 1.2

The accounting equation

Clear, syllabus-mapped CIE 0452 Accounting revision notes on the accounting equation: explanations, worked examples and exam technique, then a free targeted practice drill.

CIE 0452 AccountingIGCSEFree revision notes
Contents: 7 sections

Cambridge IGCSE Accounting 0452 · Core and Extended

Syllabus points

The equation

assets = liabilities + capital

Read it as: everything the business owns was paid for either by someone it owes (liabilities) or by the owner (capital).

Rearranged, capital = assets − liabilities, and this version has a name. Capital is the owner's claim on the business, which is what is left after everyone else has been paid.

The equation always balances, after every transaction, because every transaction has two effects that keep it balanced. That is why the system is called double entry.

The terms

Assets are resources owned by the business.

Liabilities are amounts owed by the business.

Capital is the amount the owner has put into the business. It rises with profit and with more capital introduced, and it falls with drawings and with a loss.

Note where a bank loan repayable in 8 months sits. It is a current liability, because the classification is about when it is due, not what kind of debt it is.

Every transaction, three possible shapes

Every transaction fits one of these, and naming the shape makes the entry obvious.

ShapeExampleEffect
One asset up, another asset downBuy a machine for cashTotal assets unchanged
Asset up, liability upBuy inventory on creditBoth sides rise
Asset up, capital upOwner pays money inBoth sides rise
Asset down, liability downPay a supplierBoth sides fall
Asset down, capital downOwner takes drawingsBoth sides fall

Work through a short sequence, starting from nothing.

  1. The owner pays in $20 000. Assets (bank) $20 000, capital $20 000.
  2. Buys equipment for $8 000 by cheque. Assets are now equipment $8 000 and bank $12 000, still $20 000 in total. Capital is unchanged.
  3. Buys inventory on credit for $3 000. Assets $23 000, liabilities $3 000, capital $20 000.
  4. Pays the supplier $1 000. Assets $22 000, liabilities $2 000, capital $20 000.

At every step, assets equal liabilities plus capital. Notice that steps 2 and 4 changed nothing about the owner's stake at all.

Profit and drawings

Two things move capital during the year.

closing capital = opening capital + capital introduced + profit − drawings

Drawings are anything the owner takes out for personal use: cash, goods, or the business paying a private bill. Drawings are not an expense, and goods taken by the owner are not a sale. They reduce capital.

The statement of financial position

The statement lists the equation at a date. A simple layout:

$$
Non-current assets8 000
Current assets
Inventory3 000
Trade receivables1 500
Bank11 00015 500
Total assets23 500
Capital
Opening capital20 000
Add profit2 000
Less drawings(500)21 500
Current liabilities
Trade payables2 000
Total capital and liabilities23 500

Check it: assets of 23 500 equal capital of 21 500 plus liabilities of 2 000. If the two totals disagree, something has been left out or put on the wrong side, and it is worth finding before going further.

Common mistakes

Related CIE 0452 Accounting topics

Browse all CIE 0452 Accounting revision notes →