Rational and Irrational Numbers

Front

What is a rational number?

Back

A rational number is a number that can be written as a fraction.

Front

What is an irrational number?

Back

An irrational number is a number that cannot be written as a fraction.

Front

Is the number 0.333... rational or irrational?

Back

Rational (it can be written as 1/3).

Front

What type of number is √2?

Back

Irrational.

Front

What are integers?

Back

Positive whole numbers and their opposites and zero.

Front

Is the number π rational or irrational?

Back

Irrational.

Front

Is 1.5 a rational number?

Back

Yes, it can be written as 3/2.

Front

What is a non-perfect square?

Back

A non-perfect square is an irrational number.

Front

Is the decimal 0.75 rational or irrational?

Back

Rational (it can be written as 3/4).

Front

What is the definition of a whole number?

Back

Whole numbers are non-negative integers (0, 1, 2, 3, ...).