Rational vs 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 0.333333 a rational number?

Back

Yes, 0.333333 is a rational number because it can be expressed as 1/3.

Front

Is -3 a rational number?

Back

Yes, -3 is a rational number because it can be expressed as -3/1.

Front

What type of number is π (pi)?

Back

π (pi) is an irrational number.

Front

What is a never-ending decimal?

Back

A never-ending decimal is an irrational number.

Front

Are all rational numbers also real numbers?

Back

Yes, all rational numbers are real numbers.

Front

Are all whole numbers also integers?

Back

Yes, all whole numbers are integers.

Front

Is every integer a rational number?

Back

Yes, every integer is a rational number because it can be expressed as a fraction with a denominator of 1.

Front

What is an example of an irrational number?

Back

An example of an irrational number is √2.