Adding/Subtracting Integers

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero.

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 one is negative, subtract the smaller absolute value from the larger absolute value and keep 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 of the integer being subtracted. For example, to subtract -3, you add +3.

Front

What is the rule for adding two negative integers?

Back

When adding two negative integers, the result is negative and you add their absolute values.

Front

What is the rule for adding two positive integers?

Back

When adding two positive integers, the result is positive and you simply add their values.

Front

What is the rule for adding a positive integer and a negative integer?

Back

When adding a positive integer and a negative integer, subtract the smaller absolute value from the larger absolute value and keep the sign of the integer with the larger absolute value.

Front

Calculate: -5 + -9

Back

-14

Front

Calculate: 9 + (-22)

Back

-13

Front

What is the difference between -4 and -10?

Back

The difference is +6.

Front

What is the first step in subtracting integers?

Back

Change the subtraction to addition and use the opposite of the second number.