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This cheat sheet explains how to build an emergency fund, calculate net worth, and organize a simple personal balance sheet. These skills help students understand financial security before they face real expenses, income decisions, or debt. It is useful as a quick reference because the same few formulas appear often in budgeting and financial planning. Students can use it to compare what they own, what they owe, and how prepared they are for unexpected costs. The main ideas are monthly essential expenses, emergency fund target, assets, liabilities, and net worth. An emergency fund is usually based on 3 to 6 months of essential expenses, depending on risk and responsibility. Net worth is found with the formula Net Worth = Total Assets - Total Liabilities. A personal balance sheet organizes assets on one side, liabilities on the other, and shows whether financial position is positive or negative.

Key Facts

  • Emergency Fund Target = Monthly Essential Expenses x Number of Months Saved.
  • A starter emergency fund is often 500to500 to 1,000 before building a larger 3 to 6 month fund.
  • Monthly Essential Expenses include needs such as housing, food, transportation, insurance, utilities, and required debt payments.
  • Total Assets = Cash + Bank Accounts + Investments + Valuable Property + Other Owned Items with resale value.
  • Total Liabilities = Credit Card Debt + Student Loans + Car Loans + Personal Loans + Other Money Owed.
  • Net Worth = Total Assets - Total Liabilities.
  • Positive net worth means total assets are greater than total liabilities.
  • A personal balance sheet lists assets, liabilities, and net worth for one point in time.

Vocabulary

Emergency Fund
Money set aside in an accessible account to pay for unexpected expenses or income loss.
Essential Expenses
Costs that are necessary to live and meet required obligations, such as rent, food, transportation, and minimum debt payments.
Asset
Anything you own that has financial value, such as cash, savings, investments, or property.
Liability
Money you owe to another person, company, or lender.
Net Worth
The value of what you own after subtracting everything you owe.
Personal Balance Sheet
A financial summary that lists assets, liabilities, and net worth on a specific date.

Common Mistakes to Avoid

  • Counting nonessential spending in essential expenses, which can make the emergency fund target too high and harder to plan realistically.
  • Forgetting small debts when calculating liabilities, which makes net worth look better than it really is.
  • Using purchase price instead of current value for assets, which can overstate net worth because many items lose value over time.
  • Treating credit limits as assets, which is wrong because available credit is borrowed money, not money owned.
  • Keeping emergency savings in an account that is hard to access quickly, which defeats the purpose of having money ready for urgent needs.

Practice Questions

  1. 1 A student has monthly essential expenses of $850. How much should they save for a 3 month emergency fund?
  2. 2 Maya has 1,200inchecking,1,200 in checking, 2,800 in savings, a bike worth 400,andacarworth400, and a car worth 6,000. She owes 1,500onacreditcardand1,500 on a credit card and 3,200 on a car loan. What is her net worth?
  3. 3 Jordan wants a 6 month emergency fund and has essential expenses of 1,150permonth.IfJordanalreadysaved1,150 per month. If Jordan already saved 2,000, how much more is needed?
  4. 4 Explain why a person with a high income might still have a low or negative net worth.