Operations with 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

What is the sum of -5.7 and 0.9?

Back

-4.8

Front

What is the product of -6.3 and -0.6?

Back

3.78

Front

How do you add a negative number to a positive number?

Back

To add a negative number to a positive number, subtract the absolute value of the negative number from the positive number.

Front

What is the sum of -7.79 and 5.4?

Back

-2.39

Front

What is the result of adding two negative numbers?

Back

The sum of two negative numbers is always negative.

Front

What is the result of multiplying two negative numbers?

Back

The product of two negative numbers is always positive.

Front

What is the sum of -2/9 and 2/9?

Back

0

Front

What is the difference between -1 and 1?

Back

-2

Front

What is the sum of -3.5 and 2.1?

Back

-1.4