Mathematics

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Fraction Pie Puzzles

$36.99
Making fractions "easy as pie." Each Fraction Pie Puzzle is a puzzle and a conceptual fraction lesson, all rolled into FUN! S...
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Hand Held Calculator

$4.29
8 digit LCD display with large 9mm digits. Features silver housing, non-slip rubber keys and a soft grip surround. Other func...
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Digital Clock Stamp

$4.99
Set includes three circular faces about 2" in diameter each. One shows five-minute divisions; the second shows 60-minute divi...