Rational vs Irrational

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. Examples include 1/2, 3, and -4.

Front

What is an irrational number?

Back

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Front

What are whole numbers?

Back

Whole numbers are non-negative integers, including zero. The set of whole numbers is {0, 1, 2, 3, ...}.

Front

What is the difference between integers and whole numbers?

Back

Integers include all whole numbers and their negative counterparts. Whole numbers are only non-negative.

Front

Which of the following is NOT an integer? 0, 45, -19, 12.3

Back

12.3 is NOT an integer because it has a decimal part.

Front

Which number is an integer? -1/2, 0.2, 3/4, -2

Back

-2 is an integer because it is a whole number without a fractional part.

Front

What is the square root of 36?

Back

The square root of 36 is 6, which is a rational number.

Front

What is the square root of 50?

Back

The square root of 50 is approximately 7.07, which is an irrational number.