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 represent a temperature decrease using integers?

Back

A temperature decrease is represented by a negative integer, indicating a drop in temperature.

Front

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

Back

The result depends on the absolute values of the integers; if the positive integer is larger, the result is positive, and 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, subtracting -2 is the same as adding +2.

Front

How do you simplify the expression -4 - (-2)?

Back

You can simplify it to -4 + 2, which equals -2.

Front

What is the result of the expression 11 - (-5)?

Back

The result is 16, because subtracting a negative is the same as adding a positive.

Front

What does the expression 24 + (-6) simplify to?

Back

It simplifies to 24 - 6, which equals 18.

Front

What is the significance of the absolute value in integer operations?

Back

Absolute value indicates the distance of a number from zero on the number line, regardless of direction (positive or negative).

Front

How do you determine the greater of two integers?

Back

The greater integer is the one that is further to the right on the number line.

Front

What is the result of -6 - 2?

Back

The result is -8.