Rational or Irrational Number Flashcard

Front

Is the number 0.666... a rational or irrational number?

Back

Rational

Front

Which of the following numbers is an irrational number? 3.14, 0.5, 100, √2

Back

√2

Front

What type of number is √16?

Back

Perfect square number

Front

What type of number is 2.5?

Back

Decimal number

Front

Is the number 0.333... a rational or irrational number?

Back

Rational

Front

Define a rational number.

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers.

Front

Define an irrational number.

Back

An irrational number is a number that cannot be expressed as a simple fraction; its decimal representation goes on forever without repeating.

Front

What is an example of a rational number?

Back

1/2, 0.75, or 3 (which can be expressed as 3/1).

Front

What is an example of an irrational number?

Back

π (pi) or √3.

Front

What is a perfect square?

Back

A perfect square is a number that can be expressed as the square of an integer.