High School Materials

K-12: Materials at high school level.

Course Materials

The online materials are supplemented with worksheets from Key to Geometry by Hawley, Suppes, Gearhart, and Rasmussen (Key Curriculum Press) Product Information Other useful resources are:

• Math Open Reference
• Math is Fun

• Read the introduction Geometry in Art and in the Real World. This will show you some examples of how geometry is used in the real world.

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Part I             Points, Lines, Segments and Polygons

Basic Concepts		Points, Lines, Segments, Angles etc.		Squares, Rectangles, Parallelograms and Other Polygons
Online Worksheets For This Section		Lines and Line Segment Worksheet		Angles and their Properties Worksheet		Recognizing Polygons Worksheet

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In Key to geometry: Student Workbook 1, Lines and Segments the following pages cover the material:

Lines: page 3-5	Pentagons: page 39-40
Line segments and polygons: page 6-18	Hexagons: page 41-42
Intersection Points: page 19-20	More about polygons: page 43-46
Lines, segments and polygons again: page 21 - 25	Accuracy Quiz: page 47
Lines determined by 2 points: page 26-27	Rays: page 48
Lines and line segments: page 28-32	Angles: page 49-50
Vocabulary Quiz: page 33	Congruent figures: page 51-53
Naming and finding triangles: page 34-38	Practice Test: page 54-55

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Part II             Circles,Arcs, Congruence and Similarity

Circles and Arcs		Circles		Arcs
Congruence and Similarity		Congruence		Similarity
Online Worksheets For This Section		Circles Worksheet		Circles, part 2 Worksheet		Arcs Worksheet
More Worksheets For This Section		Congruence Worksheet		Similarity Worksheet		Tangram Worksheet

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In Key to geometry: Student Workbook 2, Circles the following pages cover the material:

Drawing Circles: page 3-6	The Radius of an Arc: page 34-35
The Center of the Circle: page 7-10	Comparing segments: page 36-38
The Radius of the Circle: page 11-13	Equilateral Triangles: page 39-43
Intersecting Circles: page 14-16	Intersecting Circles and Triangles: page 44-46
Comparing Segments: page 17-23	Constructing an Equilateral Triangle: page 47-49
Circles with the Same Segment and Radius: page 24-25	Constructing Hexagons: page 50-51
Drawing a Segment Congruent to a Given Segment: page 26-28	Review: page 52-53
Drawing a Circle with Radius Congruent to a Given Segment: page 29-31	Practice Test: page 54-55
Arcs: page 32-33

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Part III             Symmetry

Symmetry		Reflectional Symmetry		Rotational Symmetry		Slides, Flips and Turns
Online Worksheets For This Section		Intro to Reflections Worksheet		Reflectional Symmetry Worksheet		Rotational Symmetry Worksheet
		More reflections Worksheet		Reflections and Rotations Worksheet

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Resources:

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Part IV             Tessellations

Tessellations		Tessellations by Squares, Rectangles and other Polygons		Tessellations by Other Figures
Online Worksheets For This Section		Tessellation Worksheet		Tetris and More Worksheet		Making Escher-like Tessellations Worksheet
Project		Tessellation Project (K12)

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Resources

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Part V             Miscellaneous

		Two and Three Dimensions		Surfaces and Euler characteristic
Online Worksheets For This Section		Euler Characteristic		Folding Boxes

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Resources