Rational & Irrational 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 an irrational number?

Back

An irrational number is a number that cannot be expressed as a simple fraction; it cannot be written as a ratio of two integers.

Front

Is √25 a rational or irrational number?

Back

Rational

Front

What type of number is a repeating decimal?

Back

Rational

Front

Is 4π a rational or irrational number?

Back

Irrational

Front

Is 77/3 a rational or irrational number?

Back

Rational

Front

What types of numbers are included in rational numbers?

Back

Integers, fractions, terminating decimals, and repeating decimals.

Front

What is an example of a terminating decimal?

Back

0.75 is an example of a terminating decimal.

Front

What is an example of a repeating decimal?

Back

0.333... (which is equal to 1/3) is an example of a repeating decimal.

Front

Can the number 0 be considered a rational number?

Back

Yes, 0 is a rational number because it can be expressed as 0/1.