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Lesson # 68 Classifying Numbers Family of Numbers: Real Numbers Rational Numbers Irrational Numbers Integers Whole Numbers

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1.If a number can be re-written in fraction form, it is said to be rational. 5 4.25 1/30.6 5/1 3/1 4 ¼ 1/3 2/3

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Irrational Numbers: 6.29184… 7.112111211112… There is no way to make these types of numbers into a fraction.

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Tips and tricks to help: (Ignore the decimal = 11 therefore = 1.1 or 1 1/10) Rational! 2.7897897… (put repeating part over the 9s to get fractions) 2 789/999 = 2 263/333 Rational! A perfect square number is rational because it can be written as a fraction. (If its not a perfect square, its always irrational) IRRATIONAL!

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The set of real numbers consists of the set of rational numbers and the set of irrational numbers. Irrational numbersRational numbers Real Numbers Integers.

The set of real numbers consists of the set of rational numbers and the set of irrational numbers. Irrational numbersRational numbers Real Numbers Integers.

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