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Basic geometry

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Table of contents

Topics

The coordinate plane

Area and perimeter

Volume and surface area

The Pythagorean theorem

Transformations, congruence, and similarity

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Staff picks

Lines, line segments, & rays

Lines, line segments and rays

Coordinate plane problems in all four quadrants

Coordinate plane

Radius, diameter, circumference & π

Area and circumference of circles

Nets of polyhedra

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Lines, line segments and rays

Let's draw points, lines, line segments, and rays. We'll also think about perpendicular and parallel lines and identify these in two-dimensional figures. Common Core Standard: 4.G.A.1

Table of contents