For most people, the most important addition and subtraction with decimals is done to keep up with your bank accounts. Calculators are handy, but how often have you seen your mother write a check and use a calculator at the same time?

When dealing with the bank, an error on your part could cost you as much as $140 in bank charges, ruin your credit and cause all kinds of trouble. I recommend that students practice banking by opening savings accounts several years before they start a checking account. Do you have a savings account?

This checking account register shows a week in the financial life of a certain teen.
Which column needs to be subtracted from the balance?

This checking account register shows a week in the financial life of a certain teen.
Which column needs to be added to the balance?

This checking account register shows a week in the financial life of a certain teen.
What would the checking account balance be after the teen bought the clothing?

This checking account register shows a week in the financial life of a certain teen.
What would the checking account balance be after the teen rented the movies?

This checking account register shows a week in the financial life of a certain teen.
During the week, this teen made 4 withdrawals. Did the teen spend more or less than his paycheck?

This checking account register shows a week in the financial life of a certain teen.
Notice the electronic transfer to Savings. Which of the following explains why this is a withdrawal rather than a deposit?

This checking account register shows a week in the financial life of a certain teen.
What is the total income for the period shown?

This checking account register shows a week in the financial life of a certain teen.
What was the account balance on August 14?