Joyce Waid Locust Fork High School The Real Number System Joyce Waid Locust Fork High School 10/14/2018 jwaid

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. 10/14/2018 jwaid

The Real Number System 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, . . .} 10/14/2018 jwaid

The Real Number System Real Numbers Rational Numbers Irrational Numbers 1/2 -2 2 3 3 2/3 5 2 3 4 15% -0.7 1.456 10/14/2018 jwaid

The Real Number System Real Numbers Rational Numbers Irrational Numbers Integers 2 3 3 -2 1/2 2/3 5 2 3 4 - 0.7 15% 1.456 10/14/2018 jwaid

The Real Number System Real Numbers Rational Numbers Irrational Numbers Integers Whole 2 3 1/2 3 2/3 5 2 3 4 -2 - 0.7 15% 1.456 10/14/2018 jwaid

The Real Number System Real Numbers Rational Numbers Irrational Numbers Integers Whole 2 Natural 3 1/2 2/3 3 5 2 3 4 -2 - 0.7 15% 1.456 10/14/2018 jwaid