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CHAPTER 2 RELATIONS Section 2.4 7. The table shows the number of music singles, cassettes, and CDs sold in Canada between 1998 and 2004. | ||
| Trends in Recording Sales | ||
| The Canadian Recording Industry Association charts the sales of various formats of recorded music every month. Click on “archives” for previous tables, some of which include cassette sales. ( http://www.cria.ca/stats.php ) | ||
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| 10. The Club of Rome is a group of scientists, teachers, economists, and others who study world issues. | ||
| The Limits to Growth | ||
| This is an abstract, or summary, of the original book, written by the authors. It is challenging reading, but you may be able to get a good idea of the authors’ predictions by skimming it. ( http://www.clubofrome.org/docs/limits.rtf ) | ||
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| Beyond the Limits to Growth | ||
| In this update of the Limits to Growth book, the authors explain why they now feel that their predictions are coming true much earlier than they had originally thought. ( http://www.context.org/ICLIB/IC32/Meadows.htm ) | ||
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CHAPTER 4 EQUATIONS Section 4.1, Example 1, Method 2 | ||
| A Balanced Solution | ||
| Have fun balancing out the elements of the equation in this interactive model. ( http://nlvm.usu.edu/en/nav/frames_asid_324_g_3_t_2.html ) | ||
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CHAPTER 6 ANALYSING LINEAR RELATIONS
Chapter 6 Opener | ||
| The Official Global GPS Cache Hunt Site | ||
| Click on “Getting Started” for lots of information about geocaching, including frequently asked questions. At “Hide and Seek a Cache,” you can enter your postal code to find geocaches in your area. ( http://www.geocaching.com/ ) | ||
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CHAPTER 7 GEOMETRIC RELATIONS Section 7.1 | ||
| Make a 3-D Hexaflexagon | ||
| Follow the instructions and copy the template to make this hexaflexagon. ( http://www.enchantedlearning.com/math/geometry/hexaflexagon/instructions.shtml ) | ||
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| The Fabulous Flexagons | ||
| You can scroll down to the instructions for hexaflexagons or start with the triflexagons at the top of the page. ( http://www.murderousmaths.co.uk/games/flex/flexmake.htm ) | ||
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| Section 7.3 | ||
| Polygon Properties | ||
| Do you know what a myriagon is? Find out on this page, which gives you all the names for polygon parts and different types of polygons. ( http://www.math.com/tables/geometry/polygons.htm ) | ||
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| Question 19 | ||
| Great Buildings | ||
| You have lots of choice at this alphabetical list of famous buildings. Look at the ones that interest you, or do an advanced search for “polygon” in one of the descriptive categories. ( http://www.greatbuildings.com/buildings.html ) | ||
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| Section 7.4 | ||
| The Sierpinski Triangle | ||
| Follow the steps on this Web site to make a Sierpinski triangle. Use the links at the bottom of the page and on the side menu if you want more information. ( http://math.rice.edu/~lanius/fractals ) | ||
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CHAPTER 8 MEASUREMENT RELATIONSHIPS Section 8.1 Investigate B | ||
| An Interactive Proof of Pythagoras’ Theorem | ||
| In this Java applet, watch the Pythagorean theorem unfolding before your eyes as you read the description of what is happening. ( http://www.sunsite.ubc.ca/LivingMathematics/V001N01/UBCExamples/Pythagoras/pythagoras.html ) | ||
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