Operations with 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

Classify the number 11 + 1.

Back

Rational

Front

Classify the number √25.

Back

Rational

Front

Classify the number -17.5.

Back

Rational

Front

Back

Irrational

Front

Which of the following is a rational number: π, π/4, √2, √49?

Back

√49

Front

What is the sum of two rational numbers?

Back

The sum of two rational numbers is always a rational number.

Front

What is the product of a rational number and an irrational number?

Back

The product of a rational number (other than zero) and an irrational number is always an irrational number.

Front

Is the number 0 a rational number?

Back

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