The Mysterious World of Number Identity…

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Presentation transcript:

The Mysterious World of Number Identity… What’s In A Number? The Mysterious World of Number Identity…

Categories of Numbers in the REAL Number System Natural Numbers Whole Numbers Integers Rational Numbers

Whole Numbers All of the counting numbers and zero. {0, 1, 2, 3, 4, 5, 6, 7, …}

Integers Are all of the natural numbers, their opposites and zero. {…, -4, -3, -2, -1, 0, 1, 2, 3, 4, …}

Rational Numbers Numbers that can be expressed as a fraction (a/b). This set includes the integers, terminating decimals, and repeating decimals. Some examples: 2 = 2/1 3 ¼ = 13/4 -0.25 = -25/100 1/3 = 0.33333333333333333333333

Venn Diagram of REAL Number System Rational Numbers Integers Whole Irrational Numbers

Tree Diagram of Real Number System 0.5, 1.4, 0.256 0.3, 0.45 0.6392518… Π, √2 1/5, 4/11, 12/3 -5, -80 1, 2, 3…

Classify each number as natural, whole, integer, rational, or irrational. Write as many as apply. 7.4569594… -5 ¾ -79 3 √16