Rational or Irrational?

Front

Is the number 0.5 rational or irrational?

Back

Rational

Front

Is the square root of 2 rational or irrational?

Back

Irrational

Front

Is the number 7/8 rational or irrational?

Back

Rational

Front

Is the number 1.3 rational or irrational?

Back

Rational

Front

Is the square root of 16 rational or irrational?

Back

Rational

Front

Definition of a rational number.

Back

A number that can be expressed as a fraction a/b, where a and b are integers and b ≠ 0.

Front

Definition of an irrational number.

Back

A number that cannot be expressed as a simple fraction; its decimal representation is non-repeating and non-terminating.

Front

Example of a rational number.

Back

1/2, 3, -4.75, 0.333... (1/3) are all rational numbers.

Front

Example of an irrational number.

Back

π (pi), √2, √3 are all irrational numbers.

Front

What is the decimal representation of 1/4?

Back

0.25 (which is rational).