Adding and Subtracting Rational Numbers

Front

What is a rational number?

Back

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

Front

What does it mean to add rational numbers?

Back

Adding rational numbers involves combining their values, which may include both positive and negative numbers.

Front

What does it mean to subtract rational numbers?

Back

Subtracting rational numbers involves finding the difference between their values, which can also include both positive and negative numbers.

Front

How do you find 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, |-5| = 5.

Front

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

Back

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

Front

What is the result of adding two negative numbers?

Back

The result of adding two negative numbers is always negative.

Front

What is the result of subtracting a negative number from a positive number?

Back

Subtracting a negative number is the same as adding its absolute value, which results in a larger positive number.

Front

What is the result of -4 - 10?

Back

-14

Front

What is the result of 3 + -7?

Back

-4

Front

What is the result of -28 + (-8)?

Back

-36