Multiplying Rational Numbers 2

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 fractions?

Back

To multiply two fractions, multiply the numerators together and the denominators together. For example, (a/b) x (c/d) = (a*c)/(b*d).

Front

What is the product of 5/18 and 4/9?

Back

4/9

Front

What is 3 x 1/5?

Back

3/5

Front

How do you multiply a decimal by a whole number?

Back

Multiply as if there are no decimals, then place the decimal point in the product based on the number of decimal places in the original decimal.

Front

What is 45.1 x 7?

Back

315.7

Front

What is 0.2 x 0.8?

Back

0.16

Front

How do you determine the location of the decimal point in a product?

Back

Count the total number of decimal places in the factors and place the decimal point in the product accordingly.

Front

What is the product of 2.39 and 4.37?

Back

10.4443

Front

What is the rule for multiplying two negative numbers?

Back

The product of two negative numbers is a positive number.