Mathematics

It's Elementary! Geometry for Grade School Students

Circles, squares, pentagons, octagons, polygons, angles, rays, points, and lines, there are so many names to learn in geometry. They may sound strange and new, but geometry is all around you. Your computer monitor's surface is more or less a rectangle, your pencil is roughly a cylinder, and, viewed from the top, the cable from your mouse to the computer, is a line segment.  Once you start thinking about geometric shapes, you'll find them everywhere.

Early Astronomers: Ptolemy, Aristotle, Copernicus, and Galileo

You know, because you've been told, that the Earth revolves around the Sun. You also probably know that planets other than our own have moons, and the way to test to see whether or not something is true is by experimenting. Thousands of years ago, these things were not widely known. The heavens above were anyone's guess, and the way things were was just the way the gods had made them. It was felt there was no need to truly understand them or put them in any kind of order.

Real World Math: Money & Other Numbers in Your Life

By Donna Guthrie

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A guide outlining how math is used in everyday situations such as banking, using credit, and buying a car. Offers tips on ways to avoid problems with money.

An eBook.

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Sir Cumference and the Sword in the Cone

By Cindy Neuschwander

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Sir Cumference, Radius, and Sir Vertex search for Edgecalibur, the sword that King Arthur has hidden in a geometric solid.

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Sir Cumference and the Great Knight of Angleland

By Cindy Neuschwander

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Radius is on a quest to earn his knighthood! With only a circular medallion, a mysterious poem, and his own wits to guide him, he must find and rescue a missing king. Includes plastic protractor.

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Sir Cumference and the First Round Table: A Math Adventure

By Cindy Neuschwander

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Assisted by his knight, Sir Cumference, and using ideas offered by his wife and son, King Arthur finds the perfect shape for his table.
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Simple Science Experiments with Circles

By Eiji Orii and Masako Orii

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Presents experiments demonstrating properties of circles and loops made of cloth, paper, and string.
Part of the series, Simple Science Experiments.
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Shape Up! Fun with Triangles and Other Polygons

By David A. Adler

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An introduction to geometric shapes using slices of cheese, pretzel sticks, and pencil and paper.
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Math Fun with Tricky Lines and Shapes

By Rose Wyler and Mary Elting

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Puzzles to solve using principles of geometry.
Part of the Math Fun series.
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Janice VanCleave's Geometry for Every Kid: Easy Activities that Make Learning Geometry Fun

By Janice VanCleave

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"Packed with illustrations, Geometry for Every Kid uses simple problems and activities to teach about acute and obtuse angles, parallel and perpendicular lines, plane and space figures, and much more! By arranging the pieces of an intriguing Chinese puzzle called a tangram, you'll explore all the different shapes you can form. You'll also learn how to create a colorful 3-D drawing that seems to rise right off the page! And, by building a geoboard, you'll discover a quick, fun way to compare the area of different geometric figures."

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