Integer Operations Review

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but does not include fractions or decimals.

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 rule for subtracting integers?

Back

To subtract an integer, add its opposite. For example, a - b is the same as a + (-b).

Front

What is the result of multiplying two negative integers?

Back

The result is a positive integer.

Front

What is the result of dividing a positive integer by a negative integer?

Back

The result is a negative integer.

Front

How do you calculate the total change in a situation involving gains and losses?

Back

Add all gains and subtract all losses to find the total change.

Front

What does it mean to lose money in a transaction?

Back

Losing money means that the amount spent exceeds the amount received, resulting in a negative change in value.

Front

What is the expression for the total cost of renting an item for multiple days?

Back

The expression is the daily cost multiplied by the number of days rented.

Front

How do you represent a gain in value using an expression?

Back

A gain in value can be represented as a positive number added to the initial value.

Front

What is the significance of the negative sign in front of a number?

Back

A negative sign indicates a loss or a decrease in value.