REAL NUMBER SYSTEM

REAL NUMBER SYSTEM

In this unit, you will examine the real number system closely. You will work with rational and irrational numbers that together make up the real number system. You will identify properties for operations. You will evaluate expressions using the “order of operations” and examine the use of variables. You will also solve simple equations.

Numbers and Numberlines (05:28)

Rational Numbers (08:44)

The Commutative Properties of Addition and Multiplication (02:21)

Three's a Crowd: Working with Two Numbers at a Time (00:51)

The Associative Properties of Addition and Multiplication (00:46)

Order of Operations (10:50)

Introduction (03:06)

Expressions and Equations--London Taxis (01:40)

Equations Using Variables--Paris Population (01:32)

Equations (02:19)

Review Worksheets
The review worksheets are provided to give extra practice in skill areas presented in the unit. The worksheets are optional unless otherwise specified by the instructor. The worksheets are Adobe Acrobat files. Click on the pencil icon to open the document. Save the document to a folder on the computer, and then enter answers for the problems in the textboxes. Once the document is completed, make sure to save it again, and then send the document to the instructor via email. The answer key provided is for the instructors only and is password protected.

	Practice Worksheet: Rational or Irrational
	Answer Key (Password Protected)
	Practice Worksheet: Order of Operations
	Answer Key (Password Protected)
	Practice Worksheet: Evaluate Expressions
	Answer Key (Password Protected)
	Practice Worksheet: Translate Expressions
	Answer Key (Password Protected)
	Practice Worksheet: One-Step Equations
	Answer Key (Password Protected)