Review- Multiply and Divide 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 divide two rational numbers?

Back

To divide two rational numbers, multiply the first number by the reciprocal of the second number.

Front

What is the reciprocal of a number?

Back

The reciprocal of a number is 1 divided by that number. For example, the reciprocal of 2 is 1/2.

Front

What is the result of ⅚ ÷ (-½)?

Back

-5/3

Front

How do you simplify a fraction?

Back

To simplify a fraction, divide the numerator and the denominator by their greatest common divisor (GCD).

Front

What is the quotient of -3.6 ÷ 0.06?

Back

-60

Front

How do you multiply a negative rational number by a positive rational number?

Back

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

Front

What is the result of -⅜ ÷ ⅜?

Back

-1

Front

If Sandy uses ⅛ of a pound of chocolate chips per batch and uses ⅘ of a pound in total, how many batches does she make?

Back

6⅖ batches.

Front

What does it mean to express an answer in simplest form?

Back

Expressing an answer in simplest form means reducing the fraction to its lowest terms.