Module 4 - Real Number System

Activity 1 : : Activity 2 : : Activity 3

This module is designed to increase your understanding of the real number system.  There is continued emphasis on the four basic operations, with additional emphasis on the ability to distinguish between rational and irrational numbers.  The real number system is comprised of both rational and irrational numbers.  Therefore, it is important to gain a definite understanding of the numbers and the distinction between the two types.

Activity 1: Key Terms & Definitions

• Real Number
• Rational Number
• Irrational Number
• Decimal
  • Repeating Decimal
  • Terminating Decimal
• Greatest Common Factor (GCF)/Greatest Common Divisor (GCD)
• Least Common Multiple (LCM)
• Rounding
• Truncate
• Expanded Notation
• Scientific Notation
• Exponential Form
• Percent

In your notebook for IS Math, continue your glossary section for quick reference.

Resources:

• MyMathLab Complete Steps 1-4 in Module 4 on the Real Number System.

• All students should go to the community and participate in the exercises of the week.

Supplemental Resources:

• www.mathwords.com
• http://en.wikipedia.org/wiki/Portal:Mathematics (enter the term in the ‘search’ field)

Activity 1 : : Activity 2 : : Activity 3 : : Activity 4