Rational and Irrational Numbers

Front

Which of these is an example of a rational number?

Back

√4 (2) is a rational number because it can be expressed as a ratio of integers (2/1).

Front

Which of these is an example of an irrational number?

Back

√2 is an irrational number because it cannot be expressed as a ratio of integers.

Front

_______ number can be written as a ratio where the numerator and denominator are integers.

Back

A rational number.

Front

_________ number is a number which a figure or group of figures is repeated indefinitely.

Back

A repeating number.

Front

Which of these is an example of an integer?

Back

33 is an integer because it is a whole number.

Front

What is a rational number?

Back

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

Front

What is an irrational number?

Back

An irrational number is a number that cannot be expressed as a simple fraction, meaning it cannot be written as a ratio of two integers.

Front

Give an example of a repeating decimal.

Back

0.333... (which is 1/3) is a repeating decimal.

Front

What is the decimal representation of √4?

Back

The decimal representation of √4 is 2.

Front

Is 0.75 a rational number?

Back

Yes, 0.75 is a rational number because it can be expressed as 3/4.