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 is the product of two negative numbers?

Back

The product of two negative numbers is always positive.

Front

What is the product of a negative number and a positive number?

Back

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

Front

How do you multiply fractions?

Back

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

Front

What is the result of (-9)(-8)?

Back

72

Front

What is the result of (-1/4)(1/2)?

Back

-1/8

Front

If a recipe requires 1/3 cup of milk, how much is needed for 4/5 of the recipe?

Back

4/15 cup of milk.

Front

What is the sum of 254 and -119?

Back

135

Front

What is the sum of -3/8 and -2/5?

Back

-31/40

Front

What is the first step in multiplying rational numbers?

Back

Identify the signs of the numbers being multiplied.