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

What is the rule for dividing two negative numbers?

Back

When you divide two negative numbers, the result is positive.

Front

What is the rule for multiplying a negative number by a positive number?

Back

When you multiply a negative number by a positive number, the result is negative.

Front

Back

Front

If the water supply drops 2 inches each week, how much will it drop in 4 weeks?

Back

It will drop -8 inches.

Front

What is the rule for dividing two fractions?

Back

To divide two fractions, multiply the first fraction by the reciprocal of the second fraction.

Front

Back

Front

Back

Front

Back

Front

What happens when you multiply two negative numbers?

Back

When you multiply two negative numbers, the result is positive.