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TED: Tech savvy teens will find that there is plenty in this free app to satisfy their innate curiosity. The TED app gives you access to the TED talks. These are a collection of presentations by some of the world's brightest minds and they give a glimpse into the future of technology, science, business, design and more. Each inspiring talk is no more than 15 minutes in length, and is usually engaging enough to capture even the shortest of attention spans.

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Stanza: This award-winning e-reader app is one of the best educational iPhone applications because it offers a wealth of options for reading. For instance, you have access to over 100, 000 books in the Lexcycle Online Library. Text colors, line spacing, font sizes, and orientation can all be customized to improve your viewing experience. There is also a free desktop app will move any existing ebooks or documents you own to you iPhone or iPod touch with ease. With Stanza, you need never be caught without something to read.

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Units: Given the sheer number of metric and imperial measurements, you can be forgiven for not remembering them all. Thankfully, this is where Units comes in handy. Units can convert area, currency, temperatures, length, speed, weight, power, volume and more. There is even a small built in ruler for quick measurements on the go. So, whether you are doing Math, Economics or Science, this useful app will have something to offer everyone.

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iFlashcards Free: Flashcards are a favorite study tool of students the world over. This app lets you create an unlimited number of flashcards on your iPhone and iPod Touch, or on the internet so that you can download them to your Apple device. You can customize card size, colors and questions easily, and there are 4 test modes to make sure you have all the facts you need. The ability to tag cards means that you can test yourself on all the 'vocab' or 'science' cards by filtering through all the collections you have. There are few educational iPhone applications that are more useful than this one.

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Math Drills Lite: If there is one thing that Elementary and Middle School Math teachers agree on, it is the need for a mastery of basic Math facts. The ability to add, subtract, multiply and divide, are the crucial foundations of success in Math. This app is aimed at improving these essential skills. Usefully, it has explanations of ways to solve each problem like number lines, groups of blocks or the nine times table on your fingers. There are also simple algebraic problems with missing signs to add to equations. Download this today and see why it is one of
the top 10 iPod touch apps that are used in the Math classroom.