Evans Adding and Subtracting 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 add integers?

Back

Adding integers involves combining their values. If both integers are positive, the result is positive. If both are negative, the result is negative. If one is positive and the other is negative, subtract the smaller absolute value from the larger absolute value and take the sign of the integer with the larger absolute value.

Front

What does it mean to subtract integers?

Back

Subtracting integers means adding the opposite. For example, to subtract -5, you add +5 instead.

Front

What is the absolute value of an integer?

Back

The absolute value of an integer is its distance from zero on the number line, regardless of direction. For example, the absolute value of -7 is 7.

Front

How do you find the difference between two integers?

Back

To find the difference, subtract the smaller integer from the larger integer. If the result is negative, it indicates that the smaller integer is further from zero.

Front

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

Back

The result is 2.

Front

What is the result of -4 + 7?

Back

The result is 3.

Front

What is the result of -10 - 5?

Back

The result is -15.

Front

What is the result of 8 - (-2)?

Back

The result is 10.

Front

What is the result of 19 - (-19)?

Back

The result is 38.