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Dear Parents, Next week, the second grade will be learning about geometry. In class, children will be engaged in reasoning about shapes and their attributes. The key vocabulary words that children will be learning are in the table below. When possible, please point out examples of these words in your everyday life or ask children to ﬁnd examples. Term Brief Deﬁnition Angles Formed by two rays that begin at the same point or share the same endpoint Faces Any of the individual surfaces of a solid object Triangles A three-sided polygon Quadrilaterals A four-sided polygon (square, rectangle) Pentagons A ﬁve-sided polygon Hexagons A six-sided polygon Cubes A three-dimensional ﬁgure with six equal faces © 2016 Taylor & Francis Everyday Applications Where the corners of a wall meet The corners of a book or picture Sides on a die A box of cereal A package The sail on a boat A piece of pizza A roof The cover of a book A wall A TV screen A checkerboard Home plate A section on a soccer ball A cell in a beehive A cracker A tile A die A letter block