Fast Arithmetic Tips
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|Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny|
|Specific tips for three broad categories of rapid math: offensive (for the purpose of getting a result fast), defensive (for the purpose of discounting a result fast), or entertaining (for stunning your friends with math magic!). The entertaining category also contains a few demonstrative Java applets.|
|Levels:||Middle School (6-8), High School (9-12)|
|Resource Types:||Problems/Puzzles, Web Interactive/Java|
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