📖

Calculating Total Costs

Financial Literacy: Money Management

Day 142of 180
Week 29of 36
45Minutes
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🖨️ Download Worksheet (PDF)🧮 Download Math Practice (PDF)
🎯 What You'll Learn

Learning Objectives

1

Calculate total cost including sales tax

2

Practice mental math with percentages

3

Develop biblical stewardship perspective on money

📖 Scripture Connection

Proverbs 22:7

“The rich rule over the poor. The borrower is servant to the lender.”

— Proverbs 22:7 (WEB)

Understanding true costs helps make wise financial decisions and avoid unnecessary debt

📦 Materials Needed

  • Calculator
  • Price list printouts
  • Play money
  • Notebook
  • Pencil
📚 Step-by-Step

Lesson Plan

1Opening (5 min)

BibleMouse Math Adventure: Today we'll explore how the price on a tag isn't always the final price you pay

💭 Review Question: What did we learn about budgeting yesterday?
2Teaching (15 min)

Introducing sales tax calculation

📌 Key Talking Points:
  • Different states have different tax rates
  • How to calculate percentage of total cost
  • Why understanding total cost matters
💬 Discussion Questions:
  • What percentage of your money should you save?
  • How can we be good stewards of money?
3Activity: Total Cost Challenge (18 min)
problem-solving

Calculate total prices with tax using provided price lists

📝 Instructions:
  1. Choose 3-5 items from price list
  2. Calculate base price
  3. Add appropriate sales tax
  4. Verify calculations with calculator
🔄 Variations:

Simpler: Use lower percentage tax rates

Challenge: Calculate complex multi-item purchases with varying tax rates

4Closing (7 min)

Review total cost calculations and biblical principles of money management

📝 Review Questions:
  • What steps do we take to calculate total cost?
  • Why is understanding total cost important?

Coming up: Tomorrow we'll learn about making change and checking receipts

👨‍👩‍👧 For Parents

Teaching Notes

📚 Background:

Sales tax varies by location, so adapt calculations accordingly

💡 Teaching Tips:
  • Use real-world examples
  • Encourage mental math strategies
  • Connect math skills to biblical stewardship
🤔 Common Struggles:

Calculating percentages and maintaining accuracy

👀 Signs of Understanding:

Consistent and confident tax calculation

🚀 Want More?

Extension Activities

  • Research sales tax rates in different states
  • Create a mock shopping budget with tax considerations

Ready for Tomorrow?

Great job completing today's lesson!

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