📚 Year 11 CAIE Accounting: Core Knowledge Review | Year 11 CAIE 会计：核心知识点梳理
For Year 11 students following the CAIE Accounting syllabus, mastering the core principles is essential for success. This guide walks through the most important topics – from the accounting equation and double-entry to financial statements and ratio analysis – in a clear, bilingual format that mirrors exam-style precision.
对于修读 CAIE 会计课程的 Year 11 学生来说，掌握核心原理是取得好成绩的关键。本指南以清晰的双语形式梳理最重要的主题——从会计等式和复式记账到财务报表和比率分析，帮助你精准应对考试。
1. The Accounting Equation | 会计等式
) + Liabilities. Every transaction affects at least two elements of this equation without breaking the balance.
会计等式是所有财务记录的基础：资产 = 资本（所有者权益）+ 负债。每一笔交易至少影响该等式中的两个要素，同时不打破平衡。
For example, if the owner introduces cash of $5,000 into the business, both the asset (cash) and capital increase by $5,000. Purchasing inventory on credit increases assets (inventory) and liabilities (trade payables).
例如，如果所有者投入 5,000 美元现金，资产（现金）和资本同时增加 5,000 美元。赊购存货则增加资产（存货）和负债（应付账款）。
2. Double-Entry Bookkeeping | 复式记账
Double-entry bookkeeping requires every transaction to be recorded twice: as a debit in one account and a credit in another. The rule ‘debit the receiver, credit the giver’ applies to personal accounts, while for real and nominal accounts, debits increase assets and expenses, credits increase liabilities, capital and income.
复式记账要求每笔交易登记两次：在一个账户记借方，在另一个账户记贷方。“借入贷出”规则适用于个人账户；对实账户和名义账户，借方增加资产和费用，贷方增加负债、资本和收益。
A sale of goods for cash results in a debit to the cash account (asset increase) and a credit to the sales account (income increase). If goods are sold on credit, the debit goes to the trade receivables account (asset) instead.
现金销售商品导致借记现金账户（资产增加），贷记销售收入账户（收益增加）。如果是赊销，则借记应收账款账户（资产）。
3. Source Documents & Books of Prime Entry | 原始凭证与特种日记账
Source documents provide evidence of transactions: invoices for credit sales/purchases, credit notes for returns, receipts for cash received, and cheques/payment vouchers for cash paid. These feed into the books of prime entry.
原始凭证为交易提供证据：发票用于赊销/赊购，贷项通知单用于退货，收据用于现金收入，支票/付款凭证用于现金支出。这些凭证最终登入特种日记账。
| Book of Prime Entry | 用于记录 |
|---|---|
| Sales Journal | Credit sales / 赊销 |
| Purchases Journal | Credit purchases / 赊购 |
| Returns Inwards Journal | Sales returns / 销售退货 |
| Returns Outwards Journal | Purchases returns / 采购退货 |
| Cash Book | All cash/bank transactions / 现金及银行收支 |
| General Journal | Other transactions (e.g. correction of errors) / 其他（如更正错误） |
At the end of each period, totals from these journals are posted to the ledgers.
每个会计期末，这些日记账的总额被过账到分类账中。
4. Ledger Accounts & Trial Balance | 分类账与试算平衡表
Ledger accounts are T-accounts used to accumulate all entries related to a specific asset, liability, capital, income or expense. Postings from the books of prime entry are made to the debit or credit side according to double-entry rules.
分类账（T 形账户）用于汇总与某一特定资产、负债、资本、收益或费用相关的所有分录。根据复式记账规则，从特种日记账过账到借方或贷方。
A trial balance lists all ledger balances at a point in time. If total debits equal total credits, it provides a check on the arithmetic accuracy of the bookkeeping. However, errors of omission, commission, principle, compensating errors and complete reversal may still exist.
试算平衡表列出一时点上所有分类账余额。如果借方总额等于贷方总额，则说明记账的算术正确性得到了检验。但遗漏错误、串户错误、原则错误、抵销错误和完全记反错误仍可能存在。
| Type of Error | 是否影响试算平衡 |
|---|---|
| Omission (transaction not recorded) | No / 否 |
| Commission (posted to wrong account of same class) | No / 否 |
| Principle (fundamental rule broken, e.g. capital expenditure treated as revenue) | No / 否 |
| Compensating (two errors cancel out) | No / 否 |
| Complete reversal (debit and credit swapped) | No (but difference = double) |
| Single entry (only one side recorded) | Yes / 是 |
5. Adjustments: Accruals & Prepayments | 调整：应计与预付
Under the accruals basis, expenses and income are recognised in the period they relate to, not when cash is paid or received. Accrued expenses (amounts owing) increase the expense and create a current liability. Prepaid expenses (amounts paid in advance) reduce the expense and create a current asset.
在权责发生制下，费用和收入在相关期间确认，而非现金收付时确认。应计费用（应付未付）会增加费用并产生流动负债。预付费用（提前支付）会减少费用并产生流动资产。
Accrued income (revenue earned but not yet received) increases income and creates a current asset. Prepaid income (revenue received in advance) reduces income and creates a current liability.
应计收入（已赚取但未收到）会增加收入并产生流动资产。预收收入（提前收到的收入）会减少收入并产生流动负债。
The adjustment journal for an accrued expense is: Dr Expense account, Cr Accruals account. For a prepayment: Dr Prepayments account, Cr Expense account.
应计费用的调整分录为：借记费用账户，贷记应计账户。预付的调整分录为：借记预付账户，贷记费用账户。
6. Depreciation of Non-current Assets | 非流动资产折旧
Depreciation allocates the cost of a non-current asset over its useful life, applying the matching concept. The two main methods are the straight-line method and the reducing-balance method.
折旧根据配比原则，将非流动资产成本在其使用寿命内分摊。两种主要方法是直线法和余额递减法。
Straight-line: Depreciation expense = (Cost – Residual value) / Useful life (years)
直线法：折旧费用 = （成本 – 残值） / 使用年限
The reducing-balance method applies a fixed percentage to the net book value (cost less accumulated depreciation) each year, resulting in higher charges in earlier years.
余额递减法每年对账面净值（成本减累计折旧）应用一个固定百分比，早年的费用更高。
The double-entry for depreciation: Dr Depreciation expense (income statement), Cr Accumulated depreciation (statement of financial position). When an asset is disposed of, the gain or loss on disposal is calculated and transferred to the income statement.
折旧的分录：借记折旧费用（计入收益表），贷记累计折旧（计入财务状况表）。处置资产时，计算处置损益并转入收益表。
7. Irrecoverable Debts & Provisions | 坏账与准备
When a trade receivable is unlikely to pay, the debt is written off as irrecoverable: Dr Irrecoverable debts expense, Cr Trade receivables. If a specific provision or an allowance for doubtful debts is needed, it is created based on prudence.
当应收账款可能无法收回时，该债务作为坏账核销：借记坏账费用，贷记应收账款。如果需要计提特定准备或坏账准备，应基于谨慎性原则。
A general allowance for doubtful debts is usually a percentage of trade receivables after deducting irrecoverable debts. An increase in allowance: Dr Irrecoverable debts expense, Cr Allowance for doubtful debts. A decrease does the reverse.
一般坏账准备通常按扣除坏账后应收账款的一定百分比计提。增加准备：借记坏账费用，贷记坏账准备。减少准备则做相反分录。
The net trade receivables figure in the statement of financial position is trade receivables less allowance for doubtful debts.
财务状况表中应收账款净额 = 应收账款 – 坏账准备。
8. Bank Reconciliation | 银行对账
A bank reconciliation statement explains the difference between the cash book (bank column) balance and the bank statement balance. Common reasons include unpresented cheques, outstanding deposits, and bank charges or direct debits not yet recorded in the cash book.
银行存款调节表解释现金簿（银行栏）余额与银行对账单余额之间的差异。常见原因包括未兑现支票、在途存款以及尚未记入现金簿的银行手续费或直接借记。
To prepare, update the cash book first by recording items in the bank statement (e.g. bank charges, standing orders, direct debits, interest). Then prepare the reconciliation, starting with the updated cash book balance and adjusting for unpresented cheques (deduct) and outstanding deposits (add) to arrive at the bank statement balance.
编制时，先更新现金簿，记入银行对账单上的项目（如银行手续费、常设指令、直接借记、利息）。然后编制调节表，从更新后的现金簿余额出发，减去未兑现支票，加上在途存款，得出银行对账单余额。
9. Control Accounts | 控制账户
Sales ledger control accounts (trade receivables control) and purchases ledger control accounts (trade payables control) summarise the transactions recorded in the individual personal accounts. They act as a checking mechanism and facilitate the location of errors.
销售分类账控制账户（应收账款控制账户）和采购分类账控制账户（应付账款控制账户）汇总了各个个人账户中记录的交易。它们起到核对作用，并有助于定位错误。
Key entries in a sales ledger control account: Debit side – opening receivables, credit sales, interest charged, dishonoured cheques. Credit side – cash received, discounts allowed, returns inwards, irrecoverable debts written off.
销售分类账控制账户的主要分录：借方——期初应收账款、赊销、收取的利息、拒付支票。贷方——收到的现金、销售折扣、销售退货、核销的坏账。
For a purchases ledger control account: Credit side – opening payables, credit purchases. Debit side – cash paid, discounts received, returns outwards, contra entries (set-off).
采购分类账控制账户：贷方——期初应付账款、赊购。借方——支付的现金、采购折扣、采购退货、对销分录。
10. Financial Statements for Sole Traders | 独资经营者的财务报表
The income statement shows the profit or loss for the period: Revenue – Cost of sales = Gross profit; Gross profit + Other income – Expenses = Net profit (or loss). Cost of sales = Opening inventory + Purchases – Purchase returns + Carriage inwards – Closing inventory.
收益表反映期间损益：销售收入 – 销售成本 = 毛利；毛利 + 其他收益 – 费用 = 净利润（或净亏损）。销售成本 = 期初存货 + 购货 – 购货退回 + 购货运费 – 期末存货。
urrent and non-current) and capital. Net current assets (working capital) = Current assets – t liabilities. The capital section shows opening capital + additional capital + net profit – drawings.
财务状况表列示资产（非流动和流动）、负债（流动和非流动）及资本。净流动资产（营运资金）= 流动资产 – 流动负债。资本部分列示期初资本 + 追加资本 + 净利润 – 提款。
Always include headings: name of the business, title of the statement, and the period ended. Format must follow the vertical style prescribed by CAIE.
必须包含表头：企业名称、报表名称以及截至日期。格式需遵循 CAIE 规定的垂直式。
11. Accounting for Clubs & Societies | 俱乐部与社团会计
Non-profit organisations use a receipts and payments account (a summary of the cash book) and an income and expenditure account, which is akin to an income statement. Any excess of income over expenditure is a surplus; the opposite is a deficit.
非营利组织使用现金收支表（现金簿的汇总）和收益与支出表（类似于收益表）。收入超过支出的部分为盈余，反之则为赤字。
Common adjustments include subscriptions in advance (prepaid income liability), subscriptions in arrears (accrued income asset), and depreciation of club assets. The accumulated fund replaces capital in the statement of financial position.
常见调整包括预收会费（预收收入负债）、拖欠会费（应计收入资产）以及俱乐部资产的折旧。财务状况表中以累积基金代替资本。
12. Ratio Analysis & Interpretation | 比率分析与解释
fficiency. Key profitability ratios include: Gross margin = (Gross profit / Revenue) × 100%; Net profit margin = (Net profit / Revenue) × 100%; Return on capital employed (ROCE) = (Net profit / Capital employed) × 100%.
财务比率帮助利益相关者评估盈利能力、流动性和效率。关键盈利比率包括：毛利率 =（毛利 / 销售收入）× 100%；净利率 =（净利润 / 销售收入）× 100%；已用资本回报率（ROCE）=（净利润 / 已用资本）× 100%。
nt ratio = Current assets : Current liabilities; Quick ratio (acid test) = (Current assets – Inventory) : Current liabilities. These assess the ability to meet short-term obligations.
流动性比率：流动比率 = 流动资产 ∶ 流动负债；速动比率 =（流动资产 – 存货）∶ 流动负债。这些指标评估短期偿债能力。
bles / Credit sales × 365). Always interpret with reason, comparing to prior periods or industry averages.
效率比率包括存货周转率（销售成本 / 平均存货）和应收账款回收期（应收账款 / 赊销收入 × 365）。分析时务必要结合理由，与前期或行业均值比较。
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