Adding and Subtracting Rational Numbers

Front

What is the result of adding a negative number to a positive number?

Back

The result will depend on the absolute values of the numbers. If the absolute value of the negative number is greater than the positive number, the result will be negative. If the positive number's absolute value is greater, the result will be positive.

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. It is always a non-negative value.

Front

How do you subtract a rational number?

Back

To subtract a rational number, you can add its opposite. For example, to calculate a - b, you can compute a + (-b).

Front

What is the opposite of a number?

Back

The opposite of a number is the number that is the same distance from zero but in the opposite direction on the number line.

Front

What is the sum of two negative numbers?

Back

The sum of two negative numbers is always negative.

Front

What is the sum of two positive numbers?

Back

The sum of two positive numbers is always positive.

Front

What happens when you add a positive number and a negative number?

Back

The result depends on the absolute values of the two numbers. If the positive number is larger, the result is positive; if the negative number is larger, the result is negative.

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

How do you find the value of (-4) + 8 - 5?

Back

First, calculate (-4) + 8 = 4, then 4 - 5 = -1.

Front

What is the definition of negative numbers?

Back

Negative numbers are numbers that are less than zero and are located to the left of zero on the number line.