Creating Simple Formulas

When using formulas in Excel you can add, subtract, multiply, and divide. Use simple Excel formulas to also make cell references in Excel.


  • Open your Monthly Budget file.
  • Add cells C2 through C10 using a handheld calculator, the calculator on your computer, or a pencil and paper.
    • If you included additional monthly bills in cells C11 through 14, add cells C2 through C14 together to get your total monthly expenses.
    Challenge 5

How long did it take you to add those numbers? In the next three modules, you will learn how Excel can do the math for you!

  • Type the total you came up with in cell C15.
  • Type a subtraction formula in C17 that subtracts the amount in C15 from the amount in C16.
  • Save and close the Monthly Budget file.