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The Hungarian mathematician George Pólya, teaching at Stanford, published How to Solve It in 1945.
One thing to hold: A list of four steps: understand the problem, make a plan, carry out the plan, look back.
Why it matters: “Look back” is the step people skip — checking the answer and asking what else the same idea could solve.
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Same ideas with a younger band's look: bigger type and buttons, a rounder font, slower motion. For any child who wants it.
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