Math Multiplying and Dividing Rational Numbers

Front

To multiply fractions, you multiply:

Back

top times top and bottom times bottom.

Front

A positive number divided by a positive number:

Back

equals a positive number.

Front

A positive number times a positive number:

Back

equals a positive number.

Front

A negative number times a positive number:

Back

equals a negative number.

Front

To divide fractions, you:

Back

keep it, change it, flip it.

Front

What is the product of -3 and 4?

Back

-12

Front

What is the quotient of 15 and -3?

Back

-5

Front

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

Back

1/2

Front

What is the quotient of 1/2 divided by 1/4?

Back

2.

Front

What is the product of -2 and -5?

Back

10.