📚 IGCSE CAIE Accounting Unit Test Mock Paper Walkthrough | IGCSE CAIE 会计单元测试模拟卷解析
This article presents a concise IGCSE CAIE Accounting unit test mock paper with eight worked questions. Each question targets a core topic from the Cambridge IGCSE Accounting syllabus, including the accounting equation, double entry, trial balance, bank reconciliation, depreciation, doubtful debts, and financial statements. Work through the paper first, then study the explanations and marking points.
本文提供一份简明的 IGCSE CAIE 会计单元测试模拟卷，包含八道典型题目。每道题针对剑桥 IGCSE 会计大纲中的核心主题，包括会计等式、复式记账、试算平衡表、银行存款余额调节、折旧、坏账准备和财务报表。请先独立完成题目，再对照解析和评分要点进行复习。
1. How to Use This Mock Paper | 如何使用本模拟卷
This mock paper is designed to be completed in about 40 minutes. It carries 40 marks in total, with each question worth 5 marks. The questions progress from basic double entry to simple financial statement preparation, mirroring the demand of IGCSE CAIE Accounting Paper 1 and Paper 2 style tasks.
本模拟卷建议在 40 分钟内完成，总分 40 分，每题 5 分。题目从基础的复式记账逐步过渡到简单的财务报表编制，对标 IGCSE CAIE 会计 Paper 1 和 Paper 2 的常见题型。
Before looking at the answers, write your workings in a ledger format. This habit helps you gain method marks even when the final figure is incorrect. Always label accounts, show debit and credit entries, and balance off ledger accounts neatly.
在查看答案之前，请以分类账格式写出计算过程。即使最终数字错误，清晰的过程也能帮助你获得方法分。务必标注账户名称、写出借贷分录，并整洁地结平分类账账户。
2. Question 1: Accounting Equation | 题目1：会计等式
Question: A sole trader starts a business with $50,000 cash, then buys equipment for $12,000 cash and obtains a bank loan of $8,000. Calculate total assets, total liabilities and capital after these transactions.
题目：某独资经营者以现金 $50,000 开始经营，随后用现金购买设备 $12,000，并获得银行贷款 $8,000。计算上述交易后的总资产、总负债和资本。
Answer: Cash is affected by the loan and the equipment purchase: cash = 50,000 – 12,000 + 8,000 = 46,000. Equipment is recorded at cost 12,000. Total assets = cash + equipment = 46,000 + 12,000 = 58,000. Total liabilities = bank loan = 8,000. Capital = assets – liabilities = 58,000 – 8,000 = 50,000, which equals the original capital injected.
答案：现金受到贷款和设备购买的影响：现金 = 50,000 – 12,000 + 8,000 = 46,000。设备按成本 12,000 入账。总资产 = 现金 + 设备 = 46,000 + 12,000 = 58,000。总负债 = 银行贷款 = 8,000。资本 = 资产 – 负债 = 58,000 – 8,000 = 50,000，与初始投入的资本相等。
The accounting equation remains balanced because the loan increases liabilities and assets by the same amount, while buying equipment only changes the composition of assets from cash to equipment.
会计等式保持平衡，因为贷款使负债和资产同时增加相同金额，而购买设备只是将资产从现金形式转为设备形式，并未改变资产总额。
3. Question 2: Double Entry for Purchases and Sales | 题目2：采购与销售复式记账
Question: Record the journal entries for: (a) bought goods on credit from R. Lee for $3,200; (b) sold goods on credit to T. Chen for $5,000; (c) returned goods costing $400 to R. Lee.
题目：编制以下交易的会计分录：(a) 从 R. Lee 赊购商品 $3,200；(b) 向 T. Chen 赊销商品 $5,000；(c) 将成本 $400 的商品退回给 R. Lee。
Answer: For a credit purchase, debit Purchases and credit Trade payables – R. Lee with $3,200. For a credit sale, debit Trade receivables – T. Chen and credit Sales with $5,000. For a purchase return, debit Trade payables – R. Lee and credit Purchases returns with $400.
答案：赊购时，借记采购账户、贷记应付账款 – R. Lee 账户 $3,200。赊销时，借记应收账款 – T. Chen 账户、贷记销售收入账户 $5,000。采购退回时，借记应付账款 – R. Lee 账户、贷记采购退回账户 $400。
The entries reflect the dual effect: purchases increase expenses, payables increase liabilities; sales increase income, receivables increase assets. Purchase returns reduce both the amount owed and the purchases expense.
这些分录反映了双重影响：采购增加费用，应付账款增加负债；销售增加收入，应收账款增加资产。采购退回同时减少欠款金额和采购费用。
4. Question 3: Balancing Ledger Accounts | 题目3：分类账账户结平
Question: A cash account has the following entries: debit side $20,000 from capital, $6,000 from sales; credit side $3,000 for rent and $2,500 for wages. Balance the cash account and bring down the closing balance.
题目：现金账户包含以下记录：借方 $20,000 来自资本、$6,000 来自销售收入；贷方 $3,000 支付租金、$2,500 支付工资。结平现金账户并结转期末余额。
Answer: Total debits = 20,000 + 6,000 = 26,000. Total credits = 3,000 + 2,500 = 5,500. The difference is a debit balance of 20,500. Enter balance c/d on the credit side, then total both sides to 26,000. Bring down balance b/d on the debit side at 20,500.
答案：借方合计 = 20,000 + 6,000 = 26,000。贷方合计 = 3,000 + 2,500 = 5,500。差额为借方余额 20,500。在贷方记入 balance c/d 20,500，使两侧合计均达到 26,000。下期期初在借方结转 balance b/d 20,500。
A debit balance in the cash account means that cash is an asset with a positive amount remaining. The closing balance is brought down on the same side as the larger total before closing.
现金账户出现借方余额，表示现金这一资产仍有剩余金额。期末余额应结转在结平前合计数较大的一侧。
5. Question 4: Trial Balance Errors | 题目4：试算平衡表错误
Question: A trial balance fails to agree by $600 on the credit side. State two types of error that would not be revealed by a trial balance, and give one example of an error that could cause the $600 difference.
题目：某试算平衡表贷方合计比借方多 $600。说明两种试算平衡表无法揭示的错误类型，并举例说明一种可能导致 $600 差额的错误。
Answer: Errors not revealed by a trial balance include errors of omission, errors of commission, errors of principle, compensating errors, and errors of original entry. One error that could cause the $600 difference is posting only one side of a $600 transaction, such as debiting the purchases account without crediting the trade payables account.
答案：试算平衡表无法揭示的错误包括：漏记错误、账户记错错误、原则性错误、抵消错误和原始分录错误。可能导致 $600 借方差额的错误之一是只记录了某笔 $600 交易的单边分录，例如只借记采购账户而未贷记应付账款账户。
A trial balance only checks whether total debits equal total credits. It does not prove that every transaction has been recorded correctly or in the correct account.
试算平衡表只能检查借方合计与贷方合计是否相等，不能证明每笔交易都已正确记录或记入正确账户。
6. Question 5: Bank Reconciliation | 题目5：银行存款余额调节
Question: The cash book shows a debit balance of $8,700. The bank statement shows a credit balance of $9,500. Unpresented cheques total $1,200, and a bank charge of $400 has not been entered in the cash book. Calculate the adjusted cash book balance and the adjusted bank statement balance.
题目：现金簿显示借方余额 $8,700，银行对账单显示贷方余额 $9,500。未兑现支票合计 $1,200，且一笔 $400 的银行手续费尚未记入现金簿。计算调整后的现金簿余额和调整后的银行对账单余额。
Answer: Start with the cash book balance of 8,700 credit the bank charge: 8,700 – 400 = 8,300. The adjusted bank statement balance is the bank statement balance of 9,500 less unpresented cheques of 1,200 = 8,300. The two adjusted balances agree at 8,300.
答案：从现金簿余额 8,700 开始，贷记银行手续费：8,700 – 400 = 8,300。调整后的银行对账单余额为银行对账单余额 9,500 减去未兑现支票 1,200 = 8,300。两者调节后的余额一致，均为 8,300。
Bank charges reduce the business bank balance even though the business has not yet recorded them. Unpresented cheques have already been recorded in the cash book but have not yet cleared the bank, so they reduce the bank statement balance in the reconciliation.
银行手续费会减少企业的银行存款余额，但企业尚未入账。未兑现支票已在现金簿中记录，但尚未在银行结算，因此在调节时应当从银行对账单余额中扣减。
7. Question 6: Depreciation | 题目6：折旧
Question: Equipment was purchased for $20,000 with an estimated residual value of $2,000 and useful life of 5 years. Using the straight-line method, calculate annual depreciation, accumulated depreciation after 3 years, and the net book value at the end of year 3.
题目：设备购入成本为 $20,000，预计残值 $2,000，使用年限 5 年。采用直线法计算年折旧额、3 年后的累计折旧以及第 3 年末的账面净值。
Answer: Annual depreciation = (cost – residual value) ÷ useful life = (20,000 – 2,000) ÷ 5 = 3,600. Accumulated depreciation after 3 years = 3,600 × 3 = 10,800. Net book value = cost – accumulated depreciation = 20,000 – 10,800 = 9,200.
答案：年折旧额 = (成本 – 残值) ÷ 使用年限 = (20,000 – 2,000) ÷ 5 = 3,600。3 年后的累计折旧 = 3,600 × 3 = 10,800。账面净值 = 成本 – 累计折旧 = 20,000 – 10,800 = 9,200。
Straight-line depreciation spreads the depreciable amount evenly over the asset’s useful life. The residual value is not depreciated because the business expects to recover that amount at disposal.
直线法将应折旧金额在资产使用年限内平均分摊。残值不计提折旧，因为企业预计在处置资产时能够收回该金额。
8. Question 7: Provision for Doubtful Debts | 题目7：坏账准备
Question: Trade receivables at the end of the year amount to $40,000. The business maintains a provision for doubtful debts at 5% of trade receivables. The opening provision was $1,500. Calculate the closing provision and the charge to the income statement for the year.
题目：年末应收账款余额为 $40,000。企业按应收账款的 5% 计提坏账准备。期初坏账准备为 $1,500。计算期末坏账准备和本年度利润表中确认的费用。
Answer: Closing provision required = 5% × 40,000 = 2,000. The increase in provision = closing provision – opening provision = 2,000 – 1,500 = 500. Therefore $500 is charged as an expense in the income statement.
答案：期末所需坏账准备 = 5% × 40,000 = 2,000。坏账准备的增加额 = 期末准备 – 期初准备 = 2,000 – 1,500 = 500。因此在利润表中确认 $500 的费用。
If the closing provision were lower than the opening provision, the decrease would be recorded as income in the income statement. The trade receivables are shown in the statement of financial position net of the closing provision.
如果期末坏账准备低于期初坏账准备，减少额应作为收益计入利润表。在财务状况表中，应收账款应按扣除期末坏账准备后的净额列示。
9. Question 8: Financial Statements | 题目8：财务报表
Question: From the following information, calculate gross profit and profit for the year: sales $80,000, purchases $50,000, closing inventory $12,000, opening inventory $10,000, wages $6,000, rent $4,000, advertising $2,000.
题目：根据以下资料计算毛利和本年利润：销售收入 $80,000，采购 $50,000，期末存货 $12,000，期初存货 $10,000，工资 $6,000，租金 $4,000，广告费 $2,000。
Answer: Cost of sales = opening inventory + purchases – closing inventory = 10,000 + 50,000 – 12,000 = 48,000. Gross profit = sales – cost of sales = 80,000 – 48,000 = 32,000. Total expenses = wages + rent + advertising = 6,000 + 4,000 + 2,000 = 12,000. Profit for the year = gross profit – expenses = 32,000 – 12,000 = 20,000.
答案：销售成本 = 期初存货 + 采购 – 期末存货 = 10,000 + 50,000 – 12,000 = 48,000。毛利 = 销售收入 – 销售成本 = 80,000 – 48,000 = 32,000。费用合计 = 工资 + 租金 + 广告费 = 6,000 + 4,000 + 2,000 = 12,000。本年利润 = 毛利 – 费用 = 32,000 – 12,000 = 20,000。
Inventory is valued at the lower of cost and net realisable value, but in this exercise only cost figures are given. The income statement separates trading activities from operating expenses to show gross profit before deducting overheads.
存货应按成本与可变现净值孰低计价，但本题仅提供成本数据。利润表将经营活动与运营费用分开，先列示毛利，再扣除各项费用得出净利润。
10. Marking Scheme and Common Mistakes | 评分标准与常见错误
Examiners award marks for correct double entry, clear workings, and the use of the accounting equation. In calculation questions, method marks are available for showing formulas such as assets = liabilities + capital or depreciation = (cost – residual value) ÷ useful life, even if the final answer is wrong.
考官对正确的复式记账、清晰的计算过程以及会计等式的运用给予评分。在计算题中，即使最终答案错误，只要写出公式，例如资产 = 负债 + 资本或折旧 = (成本 – 残值) ÷ 使用年限，也能获得方法分。
Common mistakes include: forgetting to credit the corresponding account in double entry, treating the purchase of equipment as an expense, adding the residual value instead of subtracting it in depreciation, and assuming that a balanced trial balance proves all entries are correct.
常见错误包括：复式记账中忘记贷记对应账户、将设备购买误记为费用、在计算折旧时将残值相加而不是扣除，以及误认为试算平衡表平衡就能证明所有分录都正确。
For effective revision, practise balancing ledger accounts and preparing bank reconciliations regularly. Review past paper questions and pay attention to command words such as ‘state’, ‘calculate’, ‘prepare’ and ‘explain’, as each requires a different depth of response.
为了有效复习，建议定期练习分类账账户结平和银行存款余额调节。复习历年真题，注意题目中的指令词，如 state、calculate、prepare 和 explain，因为它们要求的作答深度各不相同。
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