- United States Department of State
1379 Products found
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The Elements has become an international sensation, with over one million copies in-print...Added April 23, 2014 - This item has been added.
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This unique tie-in to the major motion picture Oceans —coming this April from Disney & National...Added April 23, 2014 - This item has been added.
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Here's real help for math students. From abacus to zero property of multiplication, this handy...Added April 23, 2014 - This item has been added.
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Some of the smartest, most successful people in the country didn't finish college. None of them...Added April 23, 2014 - This item has been added.
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Outdoor Classrooms: A Handbook for School Gardens is ideal for teachers and home educators who...Added April 23, 2014 - This item has been added.
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Even science fair enthusiasts may dread grappling with these two questions:
1. How can you...Added April 23, 2014 - This item has been added.
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The American republic will survive only if its citizens are educated—this was an article of faith...Added April 23, 2014 - This item has been added.
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By any measure, the Pythagorean theorem is the most famous statement in all of mathematics. In...Added April 23, 2014 - This item has been added.
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Trigonometry has always been an underappreciated branch of mathematics. It has a reputation as a...Added April 23, 2014