Chapter 4: Rational Numbers: Positive and Negative Fractions

Students and Teachers!
Would you like to be able to use InterAct over the Web? or try Real World problems that link you to other Web sites for more data and information? See below!

InterAct Tutorials
To access the InterAct tutorials over the Web, you will need to download the InterAct plug-in--but you will only need to do this once. To make this process easier, you should print this page now and follow these directions:
1) Click on the Download InterAct button.
2) A dialog box will ask you where you would like to save the file. Select a folder on your hard drive to save it in and make a note of the location to which you save it.
3) Using your Windows Explorer (this can be found from the "Start" menu under "Programs"), locate the saved file and double-click on it to launch the installation.
4) Make the appropriate selections in the dialog boxes as you proceed through the installation.
5) Once the installation is completed, return to this Web site and select the InterAct problems that you would like to try. The InterAct plug-in will then be launched automatically.
  InterAct Math Tutorials
  4.1 Introduction to Positive and Negative Numbers
4.2 Writing Fractions in Lowest Terms
4.3 Multiplying and Dividing Signed Fractions
4.4 Adding and Subtracting Signed Fractions
4.5 Problem Solving: Mixed Numbers and Estimating
4.6 Exponents, Order of Operations, and Complex Fractions
4.7 Problem Solving: Equations Containing Fractions
4.8 Geometry Applications: Area and Volume
  Numbers in the Real World
 To access the Numbers in the Real World applications, simply click on the hyperlinked application name below.

Section 4.1 On page 200 of your book, you'll find a Real World exercise about quilt patterns. For more practice with similar Real World investigations, try the problems below:

| Tangrams | Probable Pizza |

Section 4.4 On page 238 of your book, you'll find a Real World exercise about music. For more practice with similar Real World investigations, try the problems below:

| Measuring Spoons | Don't Screw It Up |

Section 4.5 On page 252 of your book, you'll find a Real World exercise about sharing hotel expenses. For more practice with similar Real World investigations, try the problems below:

| Making Dough | Lottery Clubs |

Section 4.6 On page 260 of your book, you'll find a Real World exercise about recipes. For more practice with similar Real World investigations, try the problems below:

| Chocolate Cheesecake | Cooking with Honey |

Section 4.8 On page 278 of your book, you'll find a Real World exercise about the stock market. For more practice with similar Real World investigations, try the problems below:

| Taking Stock | Oddly Enough |