Rational vs Irrational Numbers

Front

What type of number is π?

Back

Irrational

Front

What is a rational number?

Back

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

Front

Is 2^5 the same as 2 x 5?

Back

False

Front

Is 49 a perfect square?

Back

True

Front

Estimate the square root of 25.

Back

5

Front

What is a rational number?

Back

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

Front

What is an example of an irrational number?

Back

An example of an irrational number is √2.

Front

Is 0 a rational number?

Back

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

Front

What is the decimal representation of 1/3?

Back

0.333... (repeating decimal)

Front

Is the number 3.14 rational or irrational?

Back

Rational (it can be approximated as 22/7).