COOLIDGE, AZ — The students at Imagine Coolidge Elementary were given a challenge over Christmas break—solve 1,000,000 math problems, and their principal, Erik Collins, would spend the night sleeping ...
This holiday-themed brainteaser looks simple, but it's quietly tripping up adults everywhere. A math teacher walks us through ...
We like to think that we're pretty good at math, especially after years of schooling. But every once in a while, a simple third-grade math problem manages to trip us up and make us question our ...
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