Operations with 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 4/5 and -1/5?

Back

-4/25

Front

When multiplying or dividing a negative number and a negative number, what is the sign of the result?

Back

Positive

Front

When multiplying or dividing a negative number and a positive number, what is the sign of the result?

Back

Negative

Front

What is the sum of 1/4 and 1/4?

Back

1/2

Front

What is the difference between 3/4 and 1/2?

Back

1/4

Front

How do you convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.

Front

What is the result of dividing 1/2 by 1/4?

Back

2

Front

If a jug contains 40.75 fluid ounces and is shared among 5 people, how much does each person get?

Back

8.15 fl. oz.

Front

If a plant grows 1/4 cm every day for 21 days, what is the total growth?

Back

5 1/4 cm