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

How do you add two rational numbers with different signs?

Back

When adding two rational numbers with different signs, subtract the absolute values and take the sign of the number with the larger absolute value.

Front

What is the result of adding two negative rational numbers?

Back

The result of adding two negative rational numbers is always a negative rational number.

Front

What is the result of multiplying two rational numbers with different signs?

Back

The result of multiplying two rational numbers with different signs is a negative rational number.

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator.

Front

What is the sum of -5.7 and 0.9?

Back

The sum of -5.7 and 0.9 is -4.8.

Front

What happens when you multiply two positive rational numbers?

Back

When you multiply two positive rational numbers, the result is a positive rational number.

Front

What is the product of -6.3 and -0.6?

Back

The product of -6.3 and -0.6 is 3.78.

Front

How do you determine the sign of the product of two rational numbers?

Back

The sign of the product of two rational numbers is positive if both numbers have the same sign and negative if they have different signs.

Front

What is the decimal equivalent of 3/4?

Back

The decimal equivalent of 3/4 is 0.75.