Classification of 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 the number 0 a rational number?

Back

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

Front

What is a terminating decimal?

Back

A terminating decimal is a decimal number that has a finite number of digits after the decimal point.

Front

Is the number 1.5 rational or irrational?

Back

Rational, because it can be expressed as the fraction 3/2.

Front

What is the square root of a perfect square?

Back

The square root of a perfect square is a rational number.

Front

Is π (pi) a rational number?

Back

No, π is an irrational number because it cannot be expressed as a fraction of two integers.

Front

What type of number is -7341.2?

Back

Rational, because it can be expressed as a fraction (-73412/10).

Front

What is the difference between rational and irrational numbers?

Back

Rational numbers can be expressed as fractions, while irrational numbers cannot be expressed as fractions.

Front

Can a repeating decimal be classified as a rational number?

Back

Yes, a repeating decimal can be expressed as a fraction, making it a rational number.