Operations with Rational Numbers

Front

What is a rational number?

Back

A rational number is a number that can be written as a fraction of whole numbers.

Front

What is the product of two positive numbers?

Back

The product of two positive numbers is positive.

Front

How do you add integers with different signs?

Back

Subtract their absolute value; keep the sign of the integer with the higher absolute value.

Front

How do you multiply a rational number by a whole number?

Back

Multiply the numerator by the whole number and keep the denominator the same.

Front

What is the result of multiplying a positive number by a negative number?

Back

The result is negative.

Front

What is the result of multiplying two negative numbers?

Back

The result is positive.

Front

How do you divide a rational number by a whole number?

Back

Divide the numerator by the whole number and keep the denominator the same.

Front

What is the sum of two rational numbers?

Back

The sum of two rational numbers is a rational number.

Front

How do you convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator, add the numerator, and place over the original denominator.

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.