Lesson 4: Aging of Accounts Receivable: Risk-Based Estimation Days

• Why are older receivables riskier than newer ones?
• How does the aging method differ from the percentage-of-sales method?
• Why is the aging method considered a balance-sheet approach?
• How does aging provide a more accurate estimate of uncollectible accounts?
• How does adjusting the allowance account impact net income?

• Aging schedule
• Balance-sheet method
• Allowance for Doubtful Accounts
• Risk categories
• Past due
• Estimated uncollectible percentage
• Adjusting entry
• Net realizable value
• Credit risk

B. Accounting Principles: Identify and describe GAAP principles and explain how application impacts financial reporting.

C. Accounting Process: Complete the steps of the accounting cycle and analyze financial statement impact.

Students strengthen mathematical reasoning and analytical comparison skills by evaluating structural differences in business models and financial statement impact.

Description:

Students construct an aging schedule by categorizing accounts into time intervals (Current, 1–30 days past due, 31–60 days past due, etc.). Each category is assigned a different estimated uncollectible percentage based on risk.

Purpose:

This lesson elevates estimation from a broad percentage approach to a risk-based analysis. Students learn how companies evaluate receivables by age to better estimate uncollectible

DOK 1: Define aging terminology and structure.
DOK 2: Prepare an aging schedule and calculate required allowance.
DOK 3: Analyze how risk assumptions impact financial reporting.

Corporations use aging reports to evaluate customer payment behavior and manage credit policies. Students connect aging schedules to credit card payments, loan delinquency reports, and business credit decisions.

• All receivables carry equal risk.
• Aging changes revenue.
• The adjusting entry equals total estimated uncollectible amount.
• The Allowance account should be zero before adjustment.

• Step-by-step aging schedule template
• Color-coded risk categories
• Excel modeling of aging percentages
• Guided practice with structured data
• Small group risk analysis discussions
• Scaffolded note guide
• Spanish vocabulary support for ELL students

• Completed aging schedule
• Calculation of required allowance balance
• Adjusting entry journalized
• Exit ticket explaining why aging is more precise than percentage-of-sales
• Short written comparison of the two estimation methods

• Century 21, Accounting, General Journal, 11th edition
• Online working papers (MindTap)
• Microsoft Excel software
• Sample accounts receivable aging dataset
• Aging schedule template
• Class notes, Do Now, Exit Tickets
• Projector for modeling calculations