expii solve | National Math Festival
expii solve

expii solve

Solve is a weekly set of five thought-provoking and interactive math challenges produced by the makers of expii (including 2017 Festival presenter Dr. Po-Shen Loh!). These problems are about having fun and thinking creatively. Each set contains problems of varying difficulty, beginning with the most accessible and ending with the almost impossible. Explore and enjoy!

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Puzzles & Games

Age Level

11-13
14-18
18+