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|David Baurac, Argonne National Laboratory|
|How many computer-generated arithmetic problems can you answer in 60 seconds? Choose an operation (add, subtract, multiply, divide, random operator) and high and low numbers (0-12). Enter an answer and check it; after 60 seconds the program will tell you how many you did correctly.|
|Levels:||Late Elem. (3-5)|
|Math Topics:||Basic Operations|
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