Adding and Subtracting Integers

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but not a fraction or decimal.

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 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 take the sign of the integer with the larger absolute value.

Front

What is the result of -6 + 4?

Back

-2

Front

What is the result of -3 + (-5)?

Back

-8

Front

How do you subtract 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 5 - (-3)?

Back

8

Front

What does a negative integer represent in real-life situations?

Back

A negative integer can represent a loss, a debt, or a temperature below zero.

Front

What is the result of -5 - 7?

Back

-12

Front

What is the result of -10 + (-15)?

Back

-25