1. Joyce Waid Locust Fork High School
The Real Number System
Joyce Waid
Locust Fork High School
08/12/11
jwaid

2. 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.
08/12/11
jwaid

3. 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, . . .}
08/12/11
jwaid

4. 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
08/12/11
jwaid

5. 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
08/12/11
jwaid

6. 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
08/12/11
jwaid

7. 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
08/12/11
jwaid