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 fractions?

Back

To multiply two fractions, multiply the numerators together and multiply the denominators together.

Front

What is the product of 1/2 and 3/4?

Back

3/8

Front

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

Back

The product is negative.

Front

What is the product of -3 and 4?

Back

-12

Front

What is the product of 0 and any number?

Back

The product is always 0.

Front

How do you convert a decimal to a fraction?

Back

To convert a decimal to a fraction, write the decimal over its place value and simplify.

Front

What is the product of 2.5 and 4?

Back

10.0

Front

What is the rule for multiplying decimals?

Back

Count the total number of decimal places in both numbers, multiply as if they are whole numbers, then place the decimal in the product.

Front

What is the product of -2/3 and 3/5?

Back

-2/5