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Geometry
by Lynne Crowe
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Geometry

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3D Shapes

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How to draw a 3D shape.

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How to make a 3D shape into a net.

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How to make a net into a 3D shape.

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Features of a basic 3D shape

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Nets

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How to make a 3D shape into a net.

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That a net is what you cut out and then fold the sides to make it into a 3D shape.

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How to make a net into a 3D shape.

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Translations

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How to move a shape from one place to another.

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Tessellations

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That triangles, squares and hexagons can tessellate.

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That pentagons, heptagons and octagons can't tessellate.

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That a regular polygon with more than 6 sides can't tessellate.

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That only shapes that add up to 360 degrees when put together can tessellate properly.

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Angles

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That an angle of a square is 90 degrees.

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That an angle of a triangle is 60 degrees.

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That an angle of a hexagon is 120 degrees.

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How to identify and name angles

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Triangles

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How to find the angle in a triangle.

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How to accurately construct a triangle using a protractor and a ruler.

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