I can only describe my students’ work as operose [AHP-ə-rohs]. Etymology: Latin from opus, meaning work. In English it means displaying much industry or effort. On Sunday, 9-26-21, Altan (13) and I had a bet. “Can you figure out the next two terms in the sequence 0, 2, 8, and 18?” His answer 32 and 50. He won the bet.
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