Teachers are the first to tell you whether PD is worth their time…and our teachers are asking for more of this professional ...
Math teacher Emma Chiappetta uses a three-round exercise to help students not only recognize their errors, but also generate ...
Flower designs on 8,000-year-old Mesopotamian pots reveal a “mathematical knowledge” perhaps developed to share land and ...
NPR's Sacha Pfeiffer plays the puzzle with KAMW listener Daniel Abramson of Albuquerque, N.M, and Puzzlemaster Will Shortz.
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