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

How do you multiply two rational numbers?

Back

To multiply two rational numbers, multiply their numerators together and their denominators together. Then simplify the result if possible.

Front

What is the product of 1 and any rational number?

Back

The product of 1 and any rational number is the rational number itself.

Front

What happens when you multiply two negative rational numbers?

Back

When you multiply two negative rational numbers, the product is positive.

Front

What happens when you multiply a positive rational number by a negative rational number?

Back

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

Front

What is the simplest form of a fraction?

Back

The simplest form of a fraction is when the numerator and denominator have no common factors other than 1.

Front

How do you convert a decimal to a fraction?

Back

To convert a decimal to a fraction, write the decimal as a fraction with a denominator of 10, 100, etc., depending on the number of decimal places, and then simplify.

Front

What is the product of 2.5 and 4?

Back

The product of 2.5 and 4 is 10.

Front

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

Back

To determine the location of the decimal point in a product, 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 -3 and 4?

Back

The product of -3 and 4 is -12.