Why is "Writing balance b/d on the same side as balance c/d." a common mistake in The Double Entry Book Keeping - Part 1?

Why it happens: Students copy the balance c/d without thinking about the purpose of bringing it down on the opposite side. How to avoid it: Remember: c/d and b/d are ALWAYS on opposite sides. c/d closes the account; b/d reopens it. The balance b/d becomes the first entry in the new period on the side that represents the normal balance of that account type. Source: Cambridge 0452 Examiner Reports 2022-2024

Why is "Writing the name of the same account in the details column instead of the opposite account." a common mistake in The Double Entry Book Keeping - Part 1?

Why it happens: Students write the name of the account they are in rather than the account on the other side of the double entry. How to avoid it: The details column is a cross-reference: always write the name of the OTHER account involved. If you are in the Cash account, the details say 'Capital', 'Sales', 'Wages', etc. — whatever the opposite account is. Source: Cambridge 0452 Examiner Reports 2022-2024

Why is "Debiting liabilities to increase them, or crediting assets to increase them." a common mistake in The Double Entry Book Keeping - Part 1?

Why it happens: Confusion from everyday banking (a bank credits your account when money is deposited, which seems backwards from accounting rules). How to avoid it: In accounting, debit = left. Use DEAD CLIC as a reliable mnemonic. Practice by classifying the account type first (asset/liability/capital/income/expense), then apply the rule. Never rely on instinct from personal banking. Source: Cambridge 0452 Examiner Reports 2022-2024

Sources and Recording of DataCambridge IGCSE Accounting 0452

The Double Entry Book Keeping - Part 1

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Double Entry Bookkeeping Part 1 — Cambridge IGCSE Accounting 0452

Double entry bookkeeping is the system in which every transaction is recorded in two accounts — as a debit in one and a credit in another of equal value. Part 1 covers the debit/credit rules for all five account types, the T-account format, and how to record basic cash and capital transactions in the ledger.

At a glance

Every transaction is recorded as a debit in one account and a credit in another account of equal amount.
Debit (Dr) is always the LEFT side of a T-account; Credit (Cr) is always the RIGHT side.
DEAD CLIC: Debits increase Drawings, Expenses, Assets, Dividends; Credits increase Capital, Liabilities, Income, (Capital).
Assets and expenses normally have debit balances; liabilities, capital, and income normally have credit balances.
T-account format: account name at top; Dr | Cr with columns for date, details, folio, amount.
Balancing a T-account: enter the larger-side total on both sides; the difference is balance c/d then b/d on opposite side.
The folio column cross-references each entry to its corresponding entry in the other account.
Double entry gives every account its own running history of transactions.

What you’ll learn

Mapped to the Cambridge IGCSE 0452 syllabus (2026-2028).

Explain the principle of double entry bookkeeping and the dual aspect concept.
State and apply the debit and credit rules for assets, liabilities, capital, income, and expenses.
Draw and complete T-accounts using the correct format (date, details, folio, amount).
Record basic transactions including cash sales, cash purchases, wages, and capital introduction.
Balance a T-account and bring down the closing balance.

The Principle of Duality

Every transaction has two equal and opposite effects — one debit, one credit.

Double entry bookkeeping is built on the dual aspect concept: every financial transaction affects two accounts simultaneously, and the effect on each account is equal in value but opposite in direction. One account receives a debit entry and another receives a credit entry of the same amount.

This is not an arbitrary rule — it reflects economic reality. When a business pays $500 cash to buy goods, two things happen at the same time:

The business gains goods (inventory increases — an asset goes up).
The business loses cash (a different asset goes down).

Both changes must be captured. If only one is recorded, the accounting equation (Assets = Capital + Liabilities) would go out of balance.

Why 'double entry'? Because every transaction is entered twice — once as a debit and once as a credit. The total of all debits in the ledger always equals the total of all credits (which is verified by the trial balance).

This system was first formalised by Luca Pacioli in 1494 and remains the foundation of all modern accounting worldwide. At IGCSE level you must be able to apply it to a wide range of transaction types.

Every transaction → one debit entry + one credit entry of equal value
If debits ≠ credits, an error has been made somewhere
The system keeps the accounting equation in balance automatically
Debit = left side; Credit = right side — these are fixed, not value judgements

The Debit and Credit Rules (DEAD CLIC)

Use DEAD CLIC to remember which side increases which type of account.

The most important thing to memorise in this topic is which side (debit or credit) increases each type of account. There are five account types to know:

Account Type	Increased by	Decreased by	Normal Balance
Asset	Debit	Credit	Debit
Liability	Credit	Debit	Credit
Capital	Credit	Debit	Credit
Income / Revenue	Credit	Debit	Credit
Expense	Debit	Credit	Debit

Memory aid — DEAD CLIC:

Drawings — increased by Debit
Expenses — increased by Debit
Assets — increased by Debit
Dividends (not assessed at IGCSE, but in the mnemonic) — Debit
Capital — increased by Credit
Liabilities — increased by Credit
Income — increased by Credit
Capital (retained earnings) — Credit

In practice:

Buy equipment for cash: Equipment (asset) ↑ → Debit Equipment; Cash (asset) ↓ → Credit Cash
Receive cash from a cash sale: Cash (asset) ↑ → Debit Cash; Sales (income) ↑ → Credit Sales
Pay wages: Wages (expense) ↑ → Debit Wages; Cash (asset) ↓ → Credit Cash
Owner introduces capital: Cash (asset) ↑ → Debit Cash; Capital ↑ → Credit Capital

Notice that cash is always the starting point for pure cash transactions. If cash is received, debit cash. If cash is paid out, credit cash.

DEAD on the left, CLIC on the right — the foundation of every ledger entry.

DEAD CLIC: Debit increases Drawings, Expenses, Assets; Credit increases Capital, Liabilities, Income
Assets: debit to increase, credit to decrease
Liabilities & Capital: credit to increase, debit to decrease
Income: credit to increase (more income earned)
Expenses: debit to increase (more cost incurred)

T-Account Format

T-accounts are the individual ledger pages — know the exact column layout required by Cambridge.

A T-account (ledger account) is a simple two-sided record for a single item (e.g., Cash, Sales, Wages). The name comes from the T-shape of the vertical line dividing left from right and the horizontal line across the top.

Cambridge IGCSE standard layout:

Dr side				Cr side
Date	Details	Folio	$	Date	Details	Folio	$
1 May	Capital	GL1	10,000	8 May	Wages	GL15	1,800
5 May	Sales	GL9	2,500	10 May	Rent	GL20	1,200

Column explanations:

Date: The date of the transaction (day and month).
Details (or Particulars/Narration): The name of the OTHER account in the double entry — e.g., if debiting Cash and crediting Capital, the Cash account details column says "Capital" and the Capital account details column says "Cash".
Folio (F or GL): A cross-reference to the page/account number of the corresponding entry. GL = General Ledger; SDB = Sales Day Book; PDB = Purchases Day Book. This is the audit trail.
Amount ($): The monetary value.

Key rule for Details column: Always write the name of the opposite account. If you are writing in the Cash account (debited), the details say the account that was credited (e.g., "Sales"). This cross-reference makes it easy to trace the complete double entry.

Columns: Date | Details | Folio | Amount — on BOTH left (Dr) and right (Cr) sides
Details column names the OTHER account involved in the double entry
Folio column provides the cross-reference to the other account (audit trail)
Account name goes at the top centre of the T

Balancing T-Accounts

At period end, calculate the balance c/d and bring it down as b/d.

At the end of each period (month or year), every T-account must be balanced to find its closing balance. Follow these steps:

Step 1: Add up both the debit (left) side and the credit (right) side separately.

Step 2: Find the larger side total. Write this total on both sides as the grand total (double underline).

Step 3: On the smaller side, enter the difference (called the balance c/d — carried down) dated as the last day of the period. This makes both sides add up to the same grand total.

Step 4: On the opposite side to where you wrote balance c/d, enter the same amount as balance b/d (brought down), dated as the first day of the next period. This is the opening balance for the new period.

Example — Cash Account:

Dr side			Cr side
Date	Details	$	Date	Details	$
1 May	Capital	10,000	8 May	Wages	1,800
5 May	Sales	2,500	10 May	Rent	1,200
			31 May	Balance c/d	9,500
	Total	12,500		Total	12,500
1 Jun	Balance b/d	9,500

The balance b/d of $9,500 on the debit side means Cash has a debit balance — the business owns $9,500 cash. Assets and expense accounts normally have debit balances; liabilities, capital, and income accounts normally have credit balances.

Step 1: Total both sides separately
Step 2: Write the larger total on both sides (double underline)
Step 3: Insert 'balance c/d' on the smaller side to make both totals equal
Step 4: Bring balance b/d to the opposite side as the opening balance
Balance b/d on debit side = debit balance (asset or expense); on credit side = credit balance (liability, capital, income)

See the full worked example for the double entry book keeping - part 1 →

How it’s examined

Double entry appears in virtually every section of the Cambridge 0452 paper.

Common question formats:

'Record the following transactions in the ledger accounts of [business].' (6–12 marks)
'Balance the cash account at 31 May and bring down the balance.' (3 marks)
'State the debit entry and the credit entry for the following transaction.' (2 marks)
Prepare extracts from ledger accounts as part of an extended trial balance or financial statements question.

Examiner tips:

Always show date, details (opposite account), and amount — marks are lost for missing columns.
The details column must name the correct opposite account — writing 'Bank' when you mean 'Cash' costs marks.
After balancing, the balance b/d must appear on the opposite side from balance c/d — examiners specifically check this.

Sources: Cambridge IGCSE Accounting 0452 Syllabus 2026-2028; Cambridge IGCSE Accounting 0452 Examiner Reports 2022-2024; Cambridge IGCSE and O Level Accounting Coursebook, Catherine Coucom (Cambridge University Press). Last reviewed 2026-05-13.

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Step-by-step worked examples — The Double Entry Book Keeping - Part 1

Step-by-step solutions to past-paper-style questions on the double entry book keeping - part 1, written exactly the way a tutor would explain them at the board.

1Recording basic transactions in T-accounts (10 marks)
Extended• Adapted from Cambridge 0452 past paper style• T-accounts, debit, credit, cash transactions, balancing
Question
Mei started a business on 1 June 2026. Record the following transactions in the appropriate ledger accounts and balance each account at 30 June.

1 June — Mei invested $15,000 cash as capital. 3 June — Purchased office equipment for cash $4,000. 8 June — Received cash from cash sales $3,200. 15 June — Paid wages $1,500 cash. 20 June — Paid rent $800 cash. 28 June — Received cash from cash sales $2,100.
Step-by-step solution
1. Step 1
  Identify the double entry for each transaction: 1 Jun: Dr Cash $15,000 / Cr Capital $15,000 (owner invests — asset up, capital up) 3 Jun: Dr Equipment $4,000 / Cr Cash $4,000 (buy asset for cash — asset up, cash down) 8 Jun: Dr Cash $3,200 / Cr Sales $3,200 (cash sale — cash up, income up) 15 Jun: Dr Wages $1,500 / Cr Cash $1,500 (expense up, cash down) 20 Jun: Dr Rent $800 / Cr Cash $800 (expense up, cash down) 28 Jun: Dr Cash $2,100 / Cr Sales $2,100 (cash sale — cash up, income up)
2. Step 2
  Cash Account (post all cash entries):
  
  Dr side (receipts): 1 Jun Capital $15,000; 8 Jun Sales $3,200; 28 Jun Sales $2,100. Total Dr = $20,300 Cr side (payments): 3 Jun Equipment $4,000; 15 Jun Wages $1,500; 20 Jun Rent $800. Subtotal payments = $6,300. Balance c/d (30 Jun) = $20,300 − $6,300 = $14,000 → enter on Cr side. Total Cr = $6,300 + $14,000 = $20,300 ✓ Balance b/d (1 Jul) = $14,000 on Dr side.
3. Step 3
  Capital Account:
  
  Cr side: 1 Jun Cash $15,000. No debit entries in June. Balance c/d = $15,000 on Dr side; Balance b/d = $15,000 on Cr side (1 Jul).
4. Step 4
  Equipment Account:
  
  Dr side: 3 Jun Cash $4,000. Balance c/d = $4,000 on Cr side; Balance b/d = $4,000 on Dr side (1 Jul).
5. Step 5
  Sales Account:
  
  Cr side: 8 Jun Cash $3,200; 28 Jun Cash $2,100. Total = $5,300. Balance c/d = $5,300 on Dr side; Balance b/d = $5,300 on Cr side (1 Jul).
6. Step 6
  Wages Account:
  
  Dr side: 15 Jun Cash $1,500. Balance c/d = $1,500 on Cr side; Balance b/d = $1,500 on Dr side (1 Jul).
7. Step 7
  Rent Account:
  
  Dr side: 20 Jun Cash $800. Balance c/d = $800 on Cr side; Balance b/d = $800 on Dr side (1 Jul).
Answer
Closing balances: Cash $14,000 Dr; Capital $15,000 Cr; Equipment $4,000 Dr; Sales $5,300 Cr; Wages $1,500 Dr; Rent $800 Dr.
Examiner tip
Cambridge examiners award marks for: (1) correct debit/credit sides, (2) correct opposite account name in the details column, (3) correct dates, (4) correct balance c/d and b/d on opposite sides. The most common error is writing balance b/d on the same side as balance c/d.
2Identifying debit and credit entries (6 marks)
Extended• debit, credit, DEAD CLIC, double entry rules
Question
For each of the following transactions, state (i) the account to be debited, (ii) the account to be credited, and (iii) the amount.

a) Paid electricity bill $340 by cash. b) Owner invested additional machinery worth $6,000 into the business. c) Received $1,200 cash from a cash customer for services provided. d) Owner took $500 cash as drawings.
Step-by-step solution
1. Step 1
  Transaction (a) — Electricity paid $340 cash: Electricity is an expense → expenses increase on the debit side. Cash is an asset → asset decreases on the credit side. (i) Debit: Electricity $340; (ii) Credit: Cash $340
2. Step 2
  Transaction (b) — Machinery introduced $6,000: Machinery is a non-current asset → assets increase on the debit side. Capital increases because the owner has contributed a new asset. (i) Debit: Machinery $6,000; (ii) Credit: Capital $6,000
3. Step 3
  Transaction (c) — Cash received from customer $1,200: Cash (asset) increases → debit. Service revenue (income) increases → credit. (i) Debit: Cash $1,200; (ii) Credit: Service Revenue (Sales) $1,200
4. Step 4
  Transaction (d) — Drawings $500 cash: Drawings increase → drawings is in the DEAD group, debit to increase. Cash (asset) decreases → credit. (i) Debit: Drawings $500; (ii) Credit: Cash $500
Answer
a) Dr Electricity $340, Cr Cash $340. b) Dr Machinery $6,000, Cr Capital $6,000. c) Dr Cash $1,200, Cr Sales/Service Revenue $1,200. d) Dr Drawings $500, Cr Cash $500.
Examiner tip
These 'state the debit and credit entry' questions are common in Section 1 (1 mark per correct account named). Use DEAD CLIC to check: is this an asset, expense, liability, income, or capital account? Then apply the rule.

Key Definitions and Keywords — The Double Entry Book Keeping - Part 1

Definitions to memorise and the exact keywords mark schemes credit for the double entry book keeping - part 1 answers — sharpened from recent examiner reports for the 2026 0452 sitting.

Double entry bookkeeping
Examiner keyword
A system of bookkeeping in which every financial transaction is recorded as a debit in one account and a credit in another account of equal value, based on the dual aspect concept.
Debit (Dr)
Examiner keyword
The left side of a ledger account. Debits increase assets, expenses, and drawings; debits decrease liabilities, capital, and income.
Credit (Cr)
Examiner keyword
The right side of a ledger account. Credits increase liabilities, capital, and income; credits decrease assets, expenses, and drawings.
Ledger account (T-account)
Examiner keyword
A record for a single item (e.g., Cash, Wages) in the general ledger. It has a debit (left) side and a credit (right) side, with columns for date, details, folio, and amount.
Balance c/d (carried down)
Examiner keyword
The closing balance entered on the smaller side of a T-account to make both sides equal when balancing the account at the end of a period.
Balance b/d (brought down)
Examiner keyword
The opening balance for the new period, entered on the opposite side from the balance c/d at the start of the next period.
Folio
A cross-reference code in a ledger account that identifies the page or account number of the corresponding entry in another account, providing an audit trail.

Common Mistakes and Misconceptions — The Double Entry Book Keeping - Part 1

The traps other students keep falling into on the double entry book keeping - part 1 questions — taken from recent Cambridge IGCSE 0452 examiner reports and mark schemes — and how to avoid them.

✕Writing balance b/d on the same side as balance c/d.
Cambridge 0452 Examiner Reports 2022-2024
Why it happens
Students copy the balance c/d without thinking about the purpose of bringing it down on the opposite side.
How to avoid it
Remember: c/d and b/d are ALWAYS on opposite sides. c/d closes the account; b/d reopens it. The balance b/d becomes the first entry in the new period on the side that represents the normal balance of that account type.
✕Writing the name of the same account in the details column instead of the opposite account.
Cambridge 0452 Examiner Reports 2022-2024
Why it happens
Students write the name of the account they are in rather than the account on the other side of the double entry.
How to avoid it
The details column is a cross-reference: always write the name of the OTHER account involved. If you are in the Cash account, the details say 'Capital', 'Sales', 'Wages', etc. — whatever the opposite account is.
✕Debiting liabilities to increase them, or crediting assets to increase them.
Cambridge 0452 Examiner Reports 2022-2024
Why it happens
Confusion from everyday banking (a bank credits your account when money is deposited, which seems backwards from accounting rules).
How to avoid it
In accounting, debit = left. Use DEAD CLIC as a reliable mnemonic. Practice by classifying the account type first (asset/liability/capital/income/expense), then apply the rule. Never rely on instinct from personal banking.

Practice questions

Exam-style questions with step-by-step worked solutions. Try one before checking the method.

Past paper style quiz

Get a report showing which sub-topics you've nailed and which ones still need work.

Double Entry Bookkeeping Part 1 — Cambridge IGCSE Accounting 0452

This is not an arbitrary rule — it reflects economic reality. When a business pays $500 cash to buy goods, two things happen at the same time:

The business gains goods (inventory increases — an asset goes up).
The business loses cash (a different asset goes down).

Both changes must be captured. If only one is recorded, the accounting equation (Assets = Capital + Liabilities) would go out of balance.

Account Type

Increased by

Decreased by

Normal Balance

Asset

Debit

Credit

Debit

Liability

Credit

Debit

Credit

Capital

Credit

Debit

Credit

Income / Revenue

Credit

Debit

Credit

Expense

Debit

Credit

Debit

Dr side

Cr side

Date

Details

Folio

Date

Details

Folio

1 May

Capital

GL1

10,000

8 May

Wages

GL15

1,800

5 May

Sales

GL9

2,500

10 May

Rent

GL20

1,200

Dr side

Cr side

Date

Details

Date

Details

1 May

Capital

10,000

8 May

Wages

1,800

5 May

Sales

2,500

10 May

Rent

1,200

31 May

Balance c/d

9,500

Total

12,500

Total

12,500

1 Jun

Balance b/d

9,500

The Double Entry Book Keeping - Part 1

Short Study Notes in the form of Slides

Short Study Notes — The Double Entry Book Keeping - Part 1

Detailed Notes

What you’ll learn

How it’s examined

1Recording basic transactions in T-accounts (10 marks)

2Identifying debit and credit entries (6 marks)

Double entry bookkeeping

Debit (Dr)

Credit (Cr)

Ledger account (T-account)

Balance c/d (carried down)

Balance b/d (brought down)

Folio

✕Writing balance b/d on the same side as balance c/d.

✕Writing the name of the same account in the details column instead of the opposite account.

✕Debiting liabilities to increase them, or crediting assets to increase them.

Practice questions

Past paper style quiz

The Double Entry Book Keeping - Part 1

Short Study Notes in the form of Slides

Short Study Notes — The Double Entry Book Keeping - Part 1

Detailed Notes

What you’ll learn

How it’s examined

1Recording basic transactions in T-accounts (10 marks)

2Identifying debit and credit entries (6 marks)

Double entry bookkeeping

Debit (Dr)

Credit (Cr)

Ledger account (T-account)

Balance c/d (carried down)

Balance b/d (brought down)

Folio

✕Writing balance b/d on the same side as balance c/d.

✕Writing the name of the same account in the details column instead of the opposite account.

✕Debiting liabilities to increase them, or crediting assets to increase them.

Practice questions

Past paper style quiz