Module 3 Review Adding and Subtracting Integers

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

How do you add two integers with the same sign?

Back

When adding two integers with the same sign, add their absolute values and keep the common sign.

Front

How do you add two integers with different signs?

Back

When adding two integers with different signs, subtract the smaller absolute value from the larger absolute value and keep the sign of the integer with the larger absolute value.

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; it can be positive, negative, or zero.

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 subtracting a negative integer from a positive integer?

Back

Subtracting a negative integer is the same as adding its positive counterpart.

Front

What does it mean to be below sea level in terms of integers?

Back

Being below sea level is represented by negative integers, indicating depth.

Front

How do you represent a temperature drop using integers?

Back

A temperature drop is represented by subtracting a positive integer from the current temperature.

Front

What is the equation to find the remaining amount after using some?

Back

The equation is: Initial amount - Used amount = Remaining amount.

Front

How do you represent a descent in elevation?

Back

A descent in elevation is represented by subtracting a positive integer from the current elevation.