1. Fast and Slow Piles. This works well as a starting or closing activity. Students sort math fact cards into fast and slow piles. This visual way of tracking facts highlights which facts come ...
The proof, known to be so hard that a mathematician once offered 10 martinis to whoever could figure it out, uses number ...
The U.S. News Best Schools rankings for 2025-26 have come out this fall with rankings including data on more than 24,000 ...
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