The Paper Challeran
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|Ryosuke Ito & TOSS|
|Starting with a score of 1, trace a route through the Paper Challeran. Add to, multiply, or subtract from this score, as indicated at every edge along the way. Compete by registering scores online. Numbers around each block change every month. Find rules, rankings, and previous Paper Challerans. Also available in Japanese|
|Resource Types:||Problems/Puzzles, Daily/Weekly/Monthly Challenges|
|Math Topics:||Basic Operations|
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