Rational and 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 zero a rational number?

Back

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

Front

What are integers?

Back

Integers are whole numbers that can be positive, negative, or zero.

Front

Provide an example of an irrational number.

Back

An example of an irrational number is √2 or π.

Front

What is the decimal representation of a rational number?

Back

The decimal representation of a rational number either terminates or repeats.

Front

What is the decimal representation of an irrational number?

Back

The decimal representation of an irrational number is non-terminating and non-repeating.

Front

What type of number is 1/2?

Back

1/2 is a rational number.

Front

What is the relationship between rational and irrational numbers?

Back

Rational numbers and irrational numbers together make up the set of real numbers.

Front

Can a whole number be an irrational number?

Back

No, whole numbers are always rational numbers.