Peg uses a magic ukulele to find the line of symmetry on shapes. Peg uses a magic ukulele to find the line of symmetry on shapes that form steps. The steps should lead her to the Kingdom of Day, where ...
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Not a curve in sight, as far as the eye can see. Mathematicians, scientists, philosophers and curious minds alike have guessed at the shape of our universe. There are three main options to choose from ...
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