Multiplying and Dividing 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 multiply two rational numbers?

Back

To multiply two rational numbers, multiply their numerators together and their denominators together. Simplify if necessary.

Front

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

Back

The result is a negative rational number.

Front

What is the result of dividing a negative rational number by a positive rational number?

Back

The result is a negative rational number.

Front

Calculate: 1.5 × 2.4

Back

3.6

Front

Calculate: -3.5 ÷ 0.5

Back

-7

Front

What is the rule for dividing two rational numbers with the same sign?

Back

The result is a positive rational number.

Front

What is the rule for multiplying two rational numbers with different signs?

Back

The result is a negative rational number.

Front

Calculate: -8 ÷ -2

Back

4

Front

Calculate: 0.75 ÷ 3

Back

0.25