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Graphic:  shop till ya drop!

Shop Till You Drop

Decimals, percents, sales tax

"Get 1/3rd off!"

"Reductions of 50% today only!"

Shopping is filled with math. We constantly calculate with decimals and percents.

In these activities you'll visit a shopping site on the Internet and use your math skills. You'll even get fancy with foreign money! Of course you won't really buy anything, but that's even better! You get to shop without spending any money.

Start with the first activity below.

Science Fair Awards
What's It Worth?
Currency Deals


 

Graphic:  science fair

Science Fair Awards

You just volunteered to take care of the awards for the school science fair. You need a total of six awards: three awards for first, second, and third place and three awards for honorable mentions.

You don't have a lot of money. Luckily you know about American Science & Surplus, a company on the Internet that has weird, cool, scientific things that are not too expensive.

Here's the situation:

  • You have a total of $25.00 to spend.
  • Sales tax is 8.5%.
  • Shipping costs are $2.50.

What You Do

  1. Print the Science Fair Awards Worksheet.
  2. Go to American Science & Surplus's catalog to choose the awards.
  3. Follow the shopping instructions for Science Fair Awards on your worksheet. Try to get as close as you can to spending exactly $25.00, including sales tax and shipping. Then complete the order form.
  4. When you finish, click the Close button on the Awards website to return here.

When you're done with Science Fair Awards, go to What's It Worth?


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Graphic:  whats it worth

What's It Worth?

Your school is one of five schools in the world to receive a good sportsmanship award of 1,000 United States dollars. The other four schools are in Switzerland, Great Britain, Germany, and Mexico. How much is 1,000 United States dollars in the currencies of these countries? You can find out by using an online currency calculator.

What You Do

  1. Print the What's It Worth? Worksheet.
  2. Go to American Science & Surplus?s catalog to choose the awards.
  3. Follow the shopping instructions for Science Fair Awards on your worksheet. Try to get as close as you can to spending exactly $25.00, including sales tax and shipping. Then complete the order form.
  4. When you finish, click the Close button on the Awards website to return here.

Let's go to the Currency Calculator.

When you're done with What's It Worth? go to Currency Deals.


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Graphic:  currency deals

Currency Deals

Imagine you are traveling around the world. You have a portable CD player with you that's worth about $50 in United States currency. While visiting Italy, a girl offers you 50,000 Italian lira for your CD player!

This sounds like too much money, unless you know how many lira equal 50 United States dollars. You can find out at a currency calculator on the Web.

What You Do

  1. Print the Currency Deals Worksheet.
  2. Use the currency calculator to answer the questions on your worksheet.
  3. When you're finished, click the Close button on the Calculator website to return here.

Let's return to the Currency Calculator!


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