Adding Rational Numbers

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 add a positive and a negative rational number?

Back

To add a positive and a negative rational number, subtract the absolute values and take the sign of the number with the larger absolute value.

Front

What is the sum of 34.5 and -7?

Back

27.5

Front

What is the sum of -2.61 and -6.88?

Back

-9.49

Front

What is the sum of -4.2 and 3.3?

Back

-0.9

Front

What is the sum of 9 and -6.73?

Back

2.27

Front

What is the sum of -40 and 15.05?

Back

-24.95

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.

Front

How do you find the sum of two negative rational numbers?

Back

To find the sum of two negative rational numbers, add their absolute values and keep the negative sign.

Front

What happens when you add two positive rational numbers?

Back

When you add two positive rational numbers, the sum is always positive.