Hunt for shapes and make familiar objects by putting together several different shapes. Warm up with a Mystery Math Mistake to tell whether Dotson's 10-frames represent a number more than his focus ...

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Inman Elementary made their study of 2-D shapes immersive and delicious. As part of the 1st grade’s math unit on geometry, students used pretzels and ...

In 1867, French mathematician Pierre Ossian Bonnet proved something that seemed like common sense: if you know how far apart ...