Operations on integers

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero. Examples include -3, 0, and 5.

Front

What does it mean to debit an account?

Back

To debit an account means to subtract money from it. For example, if you debit $15 from an account with $100, you have $85 left.

Front

What does it mean to credit an account?

Back

To credit an account means to add money to it. For example, if you credit $5 to an account with $100, you have $105.

Front

How do you calculate the total change in an account after multiple transactions?

Back

Add all credits and subtract all debits from the initial amount.

Front

What is the result of adding a positive integer and a negative integer?

Back

The result depends on the absolute values of the integers. If the positive integer is larger, the result is positive; if the negative integer is larger, the result is negative.

Front

What is the formula to find the final amount after a series of transactions?

Back

Final Amount = Initial Amount + Total Credits - Total Debits.

Front

How do you represent a loss in points in a game?

Back

A loss in points is represented by a negative integer. For example, losing 8 points is represented as -8.

Front

What is the significance of the negative sign in integers?

Back

The negative sign indicates a value less than zero, often representing a loss, debt, or decrease.

Front

How do you calculate the total change in position for an airplane moving at a constant rate?

Back

Total Change = Rate of Change × Time. For example, if an airplane descends at -1500 feet per minute for 5 minutes, the total change is -1500 × 5 = -7500 feet.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and perform operations to make it easier to understand or solve.