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The Real Number System

The Real Number System. The Real Number System is divided into two categories: Rational and Irrational. Rational Numbers : Numbers, such as ½ and –3/1 that can be written as a ratio of two integers. Irrational Numbers : Real numbers, such as square root of 2 or , that are not rational.

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The Real Number System

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1. The Real Number System

2. The Real Number System is divided into two categories:RationalandIrrational. Rational Numbers: Numbers, such as ½ and –3/1 that can be written as a ratio of two integers. Irrational Numbers:Real numbers, such as square root of 2 or , that are not rational. The Real Number System jwaid

3. Rational Numbers: Includes integers, whole numbers, natural numbers, and numbers written as the ratio of two integers. Integers: {. . . – 3, – 2, – 1, 0, 1, 2, 3, . . .} Whole Numbers: {0, 1, 2, 3, . . .} Natural Numbers: {1, 2, 3, . . .} The Real Number System jwaid

4. Real Numbers Rational Numbers Irrational Numbers The Real Number System 1/2 -2 2 3 3 2/3 0 • 5 • 2 3 4 15% -0.7 1.456 jwaid

5. Real Numbers Rational Numbers Irrational Numbers The Real Number System Integers 2 3 3 -2 1/2 2/3 0 • 5 • 2 3 4 - 0.7 15% 1.456 jwaid

6. Real Numbers Rational Numbers Irrational Numbers The Real Number System Integers Whole 2 3 1/2 3 2/3 0 • 5 • 2 3 4 -2 - 0.7 15% 1.456 jwaid

7. Real Numbers Rational Numbers Irrational Numbers The Real Number System Integers Whole 2 Natural 3 1/2 2/3 0 3 • 5 • 2 3 4 -2 - 0.7 15% 1.456 jwaid

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