Unit 8 • Lesson 30.8h

Straight-Line Depreciation

Students must master the simplest depreciation method by hand before comparing it to accelerated methods or building Excel schedules.

What You'll Learn
  • Calculate straight-line depreciation by hand for a single asset
  • Explain how straight-line depreciation affects the income statement and balance sheet over time
Key Concepts
Straight-line depreciation formula
Depreciable base (Cost − Salvage Value)
Accumulated depreciation and book value
Lesson Phases

This lesson follows a structured 6-phase learning model designed for authentic project-based learning.

Hook

Reconnect to Lesson 02's capitalization rule and surface the friction point that makes straight-line depreciation necessary

Start Phase

Introduction

Teach the straight-line method step by step with worked examples and visible intermediate values

Start Phase

Guided Practice

Add partial-year depreciation as a complication with reduced scaffolding

Start Phase

Independent Practice

Algorithmic practice on straight-line schedules with mastery target of 5 consecutive correct

Start Phase

Assessment

Short MCQ exit ticket on straight-line calculation and statement impact

Start Phase

Closing

Reflect on confidence, connect to the business problem, and preview double-declining balance

Start Phase
How You'll Learn
Worked examples with visible intermediate values
Algorithmic deliberate practice with mastery target
Partial-year complication in Phase 3