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

What does it mean to add a negative integer?

Back

Adding a negative integer is the same as subtracting its absolute value.

Front

What is the result of adding two positive integers?

Back

The result is always a positive integer.

Front

What is the result of adding two negative integers?

Back

The result is always a negative integer.

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 Commutative Property of Addition?

Back

The Commutative Property of Addition states that changing the order of the addends does not change the sum: a + b = b + a.

Front

What is the Associative Property of Addition?

Back

The Associative Property of Addition states that the way in which numbers are grouped does not change their sum: (a + b) + c = a + (b + c).

Front

How do you represent a withdrawal from a bank account in an expression?

Back

A withdrawal is represented as a negative integer in the expression.

Front

What is the result of 14 + (-6) + 2?

Back

The result is 10.

Front

What is the result of 10 + (-4) + 3?

Back

The result is 9.