Bailey Hairston and Lauren Duval-Shepherd participate in a summer math lesson. Photo by Daniel Mollenkamp for EdSurge. PHILADELPHIA — Elle Oliver knows anger. Multiplying by 12 used to make the rising ...
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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