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## Lesson # 68 Classifying Numbers Family of Numbers:

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**Lesson # 68 Classifying NumbersFamily of Numbers:**• Real Numbers Rational Numbers Irrational Numbers Integers Whole Numbers**If a number can be re-written in fraction**form, it is said to be rational. 5 4.25 1/3 0.6 5/1 3/1 4 ¼ 1/3 2/3**Irrational Numbers:**6.29184… 7.112111211112… There is no way to make these types of numbers into a fraction.**Tips and tricks to help:**(Ignore the decimal = 11 therefore = 1.1 or 1 1/10) Rational! 2.7897897… (put repeating part over the 9’s 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 it’s not a perfect square, it’s always irrational) IRRATIONAL!