Integer addition and absolute values

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 is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction. For example, the absolute value of -4 is 4.

Front

Calculate: -4 + -7

Back

-11

Front

What is the sum of two negative integers?

Back

The sum of two negative integers is always a negative integer.

Front

What is the absolute value of -11?

Back

The absolute value of -11 is 11.

Front

If a + b = -5 and both a and b are negative integers, what can you say about a and b?

Back

Both a and b must be less than zero.

Front

Calculate: |-3| + |-5|

Back

8

Front

What happens when you add 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; if the negative integer is larger, the result is negative.

Front

Calculate: -2 + 5

Back

3

Front

What is the result of adding zero to an integer?

Back

The result is the integer itself. For example, -4 + 0 = -4.