Multiplying 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 happens to the sign when you multiply two negative numbers?

Back

The product of two negative numbers is positive.

Front

What happens to the sign when you multiply a positive number by a negative number?

Back

The product of a positive number and a negative number is negative.

Front

What is the product of (2.5)(-1.2)?

Back

-3.0

Front

What is the product of (-7)(6)(-3)?

Back

126

Front

If you multiply an even number of negative fractions, what will the sign of the product be?

Back

Positive.

Front

How do you find the area of a rectangle?

Back

Area = length × width.

Front

What is the area of a field with length 6⅔ yds and width 4¾ yds?

Back

31 2/3 square yards.

Front

What is the simplest form of the product of 2/3 and 3/4?

Back

1/2.

Front

What is the product of (5)(-2)?

Back

-10.