# Identifying rational and irrational numbers

## Classifying numbers review

Determine if the number is rational (R) or irrational (I). Identifying Rational and Irrational Numbers. Math karagozvehacivat.com Name: Answers. 1.

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A rational number is a number that can be written as a ratio. That means it can be written as a fraction, in which both the numerator the number on top and the denominator the number on the bottom are whole numbers. Every whole number is a rational number, because any whole number can be written as a fraction. All numbers that are not rational are considered irrational. An irrational number can be written as a decimal, but not as a fraction.

An Irrational Number is a real number that cannot be written as a simple fraction. A Rational Number can be written as a Ratio of two integers ie a simple fraction. Example 0.

what is 4 divided by 3 in fraction form

We have already described numbers as counting numbers, whole numbers, and integers. Do you remember what the difference is among these types of numbers? What type of numbers would you get if you started with all the integers and then included all the fractions? The numbers you would have form the set of rational numbers. A rational number is a number that can be written as a ratio of two integers. We need to look at all the numbers we have used so far and verify that they are rational. The definition of rational numbers tells us that all fractions are rational.

## Identifying rational and irrational numbers

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