January 2000
This month's Plus puzzle is Cushion Ball.
You can find this together with all this month's other puzzles for ages 15+ at the 15+ Challenges page at NRICH.
To send in your solution, use one of the methods described on the NRICH Problem Page.
- Recent NRICH Puzzles
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More Challenging Problems from last month.
More Challenging Problems from 2 months ago.
More Challenging Problems from 3 months ago.