Principles of Accounts · Secondary 4 · Accounting for Non-Current Assets · 1.º Período

Depreciation of Non-Current Assets

Students will calculate depreciation using straight-line and reducing-balance methods and record the relevant journal entries.

TL;DR:Depreciation is the systematic allocation of the cost of a non-current asset over its useful life. This topic moves beyond simple math to explore the Matching Principle, ensuring that the expense of using an asset is recorded in the same period it helps generate revenue. Students learn to navigate the Straight-line method for assets with consistent usage and the Reducing-balance method for those that lose value rapidly in early years.

• MOE Syllabus Outcomes
• MOE POA Syllabus 7087 - 3.2 Depreciation
• MOE POA Syllabus 7087 - 1.2 Matching Principle

About This Topic

Depreciation is the systematic allocation of the cost of a non-current asset over its useful life. This topic moves beyond simple math to explore the Matching Principle, ensuring that the expense of using an asset is recorded in the same period it helps generate revenue. Students learn to navigate the Straight-line method for assets with consistent usage and the Reducing-balance method for those that lose value rapidly in early years.

In Singapore's fast-paced economy, understanding how assets like machinery or technology lose value is crucial for realistic business reporting. This topic connects deeply to the concept of 'Net Book Value' and its presentation in financial statements. Students grasp this concept faster through structured discussion and peer explanation regarding which method best suits different types of local industries.

Key Questions

1. Why do businesses need to depreciate their non-current assets?
2. How do the straight-line and reducing-balance methods differ?
3. How does the matching principle apply to depreciation?

Watch Out for These Misconceptions

Common Misconception

Depreciation is a process of valuation to show the market price.

What to Teach Instead

Depreciation is about cost allocation, not market valuation. Using a simulation where students compare 'book value' to 'Carousell prices' helps them see that accounting records don't always track market fluctuations.

Common Misconception

The Reducing-balance method uses the original cost every year.

What to Teach Instead

This method applies the percentage to the Net Book Value (Cost minus Accumulated Depreciation). Peer-teaching exercises where students walk through the 'year 2' calculation help clarify this common calculation error.

Active Learning Ideas

Stations Rotation

The Depreciation Lab

Students rotate through three stations: one for calculating straight-line, one for reducing-balance, and one for interpreting the 'Matching Principle' in a real-world scenario. They must complete a challenge card at each stop.

45 min·Small Groups

Formal Debate

Straight-line vs. Reducing-balance

Divide the class into two teams representing different accounting philosophies. They must argue which depreciation method is more appropriate for a logistics company's fleet of delivery vans, citing the pattern of usage and maintenance costs.

30 min·Whole Class

Inquiry Circle

Asset Life Cycles

Groups are given different assets (e.g., a laptop, a factory machine, a shop fit-out). They must research typical useful lives and scrap values in Singapore and present their depreciation schedule for the first three years.

40 min·Small Groups

Frequently Asked Questions

Why do we use different depreciation methods for different assets?

The choice depends on how the asset provides economic benefits. The straight-line method is for assets used evenly over time, like office furniture. The reducing-balance method is better for assets like computers or vehicles that are more efficient and lose more value in their early years. This ensures the matching principle is applied accurately based on the asset's actual usage pattern.

Is depreciation the same as setting aside cash to buy a new asset?

No, this is a common misunderstanding. Depreciation is a non-cash expense that reduces profit and the carrying amount of assets; it does not involve an actual movement of cash into a bank account. It is an accounting entry to reflect the 'wear and tear' or obsolescence of the asset over time.

How does depreciation affect the Statement of Financial Position?

It reduces the value of non-current assets through the 'Accumulated Depreciation' account. On the Statement of Financial Position, we show the original cost, the total accumulated depreciation to date, and the resulting Net Book Value. This allows stakeholders to see how much of the asset's life has been 'used up' by the business.

What are the best hands-on strategies for teaching depreciation?

Hands-on modeling using 'Asset Cards' works well. Students physically move 'value' from an asset card to an expense card each 'year.' Using spreadsheets for collaborative investigations also helps students see how changing a single variable, like useful life or scrap value, impacts the entire depreciation schedule. This visual and interactive approach makes the abstract math more concrete and logical.