Piece of Pi

A math question that is considered so easy to solve, or a math paper that turns out to be as easy as pie—a no-brainer even for those who are anxious or petrified about certain brain-unfriendly school or college math topics.

Most of the 2021 grades 1–5 math exam papers in certain US red states were a piece of pi for the a large proportion of students during the Covid-19 pandemic.

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