About two dozen second graders sat on the carpet at the front of Jacquelyn Anthony’s classroom, reviewing how to make tens. “Two needs eight!” the students yelled out together. “Six needs four!” This ...
Feb. 29 has all sorts of myths and trivia associated with it, not to mention leaplings, those people born on the day.
Number enthusiasts may be looking to the new year with a touch of melancholy. Another perfect square like 2025 (45 2 = 2,025) won’t occur again until 2116 (46 2 = 2,116). The year 2027 will be a prime ...
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