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Welcome to the Geometry Page of KensMathWorld.com.

You may now access any of my algebra or geometry videos for free.  If you have any problems, just send me an email to kenkreidersmail@yahoo.com. On this website, you will find a complete curriculum of videos and worksheets for algebra and geometry. Feel free to use them for homeschooling or supplementary material.

 

 

Geometry Videos

 

 

 

 

Video on Special Angles (Supplementary, Complementary, and Vertical Angles)

 

 

 

 

 

Video on Classifying Triangles by Sides and Angles

 

 

 

 

 

Video on Finding the Missing Angle of a Triangle (The Interior Angles of A Triangle)

 

 

 

 

 

Video on the Remote Interior Angle Theorem (Finding the Exterior Angle of a Triangle)

 

 

 

 

 

Video on Parallelograms

 

 

 

 

 

Video on The Pythagorean Theorem

 

 

 

 

 

 

 

 

GEOMETRY
CH 4    CH 8    CH 12		FORMAT
CH 1	Tools of Geometry	PDF	CW	TE
1-1	Patterns and Inductive Reasoning	PDF	VID	QZ
1-2	Drawings, Nets, and Other Models		VID	QZ
1-3	Points, Lines, and Planes	PDF	VID	QZ
1-4	Segments, Rays, Parallel Lines and Planes	PDF PDF	VID	QZ
1-5	Measuring Segments		VID	QZ
1-6	Measuring Angles	PDF	VID	QZ
1-7	Basic Constructions	PDF	VID	QZ
1-8	The Coordinate Plane	PDF	VID	QZ
1-9	Perimeter, Circumference, and Area	PDF	VID	QZ
CH 2	Reasoning and Proof		CW	TE
2-1	Conditional Statements	PDF	VID	QZ
2-2	Biconditionals and Definitions	PDF	VID	QZ
2-3	Deductive Reasoning	PDF	VID	QZ
2-4	Reasoning in Algebra	PDF PDF  PDF	VID	QZ
2-5	Proving Angles Congruent	PDF	VID	QZ
CH 3	Parallel and Perpendicular Lines		CW	TE
3-1	Properties of Parallel Lines	PDF	VID	QZ
3-2	Proving Lines Parallel	PDF	VID	QZ
3-3	Parallel and Perpendicular Lines	PDF	VID	QZ
3-4	Parallel Lines and the Triangle Angle-Sum Theorem	PDF	VID	QZ
3-5	The Polygon Angle-Sum Theorems	PDF	VID	QZ
3-6	Lines in the Coordinate Plane		VID	QZ
3-7	Slopes of Parallel and Perpendicular Lines		VID	QZ
3-8	Constructing Parallel and Perpendicular Lines	PDF	VID	QZ
CH 4	Congruent Triangles		CW	TE
4-1	Congruent Figures	PDF	VID	QZ
4-2	Triangle Congruence by SSS and SAS	PDF	VID	QZ
4-3	Triangle Congruence by ASA and AAS	PDF	VID	QZ
4-4	Using Congruent Triangles: CPCTC	PDF	VID	QZ
4-5	Isosceles and Equilateral Triangles	PDF	VID	QZ
4-6	Congruence in Right Triangles	PDF	VID	QZ
4-7	Proving Triangles Congruent	PDF	VID	QZ
CH 5	Relationships Within Triangles		CW	TE
	Classifying Triangles and The Triangle Angle Sum Theorem	PDF
5-1	Midsegments of Triangles	PDF	VID	QZ
5-2	Bisectors in Triangles	PDF	VID	QZ
5-3	Concurrent Lines, Medians, and Altitudes	PDF	VID	QZ
5-4	Inverses, Contrapositives, and Indirect Reasoning		VID	QZ
5-5	Inequalities in Triangles	PDF	VID	QZ
CH 6	Quadrilaterals		CW	TE
6-1	Classifying Quadrilaterals	PDF	VID	QZ
6-2	Properties of Parallelograms	PDF	VID	QZ
6-3	Proving That a Quadrilateral is a Parallelogram	PDF	VID	QZ
6-4	Special Parallelograms	PDF	VID	QZ
6-5	Trapezoids and Kites	PDF	VID	QZ
6-6	Placing Figures in the Coordinate Plane		VID	QZ
6-7	Proofs Using Coordinate Geometry		VID	QZ
CH 7	Similarity		CW	TE
7-1	Ratios and Proportions	PDF	VID	QZ
7-2	Similar Polygons	PDF	VID	QZ
7-3	Proving Triangles Similar		VID	QZ
7-4	Similarity in Right Triangles		VID	QZ
7-5	Proportions in Triangles		VID	QZ
CH 8	Right Triangles and Trigonometry		CW	TE
8-1	The Pythagorean Theorem and Its Converse	PDF	VID	QZ
8-2	Special Right Triangles	PDF	VID	QZ
8-3	The Tangent Ratio		VID	QZ
8-4	Sine and Cosine Ratios		VID	QZ
8-5	Angles of Elevation and Depression		VID	QZ
8-6	Vectors		VID	QZ
CH 9	Transformations     Worksheets for this chapter =>	PDF	CW	TE
9-1	Translations		VID	QZ
9-2	Reflections		VID	QZ
9-3	Rotations		VID	QZ
9-4	Symmetry		VID	QZ
9-5	Dilations		VID	QZ
9-6	Compositions of Reflections		VID	QZ
9-7	Tessellations		VID	QZ
CH 10	Area		CW	TE
10-1	Areas of Parallelograms and Triangles	PDF	VID	QZ
10-2	Areas of Trapezoids, Rhombuses, and Kites	PDF	VID	QZ
10-3	Areas of Regular Polygons	PDF	VID	QZ
10-4	Perimeters and Areas of Similar Figures		VID	QZ
10-5	Trigonometry and Area		VID	QZ
10-6	Circles and Arcs		VID	QZ
10-7	Areas of Circles and Sectors	PDF	VID	QZ
10-8	Geometric Probability		VID	QZ
CH 11	Surface Area and Volume		CW	TE
11-1	Space Figures and Cross Sections		VID	QZ
11-2	Surface Areas of Prisms and Cylinders	PDF PDF	VID	QZ
11-3	Surface Areas of Pyramids and Cones		VID	QZ
11-4	Volumes of Prisms and Cylinders		VID	QZ
11-5	Volumes of Pyramids and Cones	PDF	VID	QZ
11-6	Surface Areas and Volumes of Spheres		VID	QZ
11-7	Areas and Volumes of Similar Solids		VID	QZ
CH 12	Circles		CW	TE
12-1	Tangent Lines		VID	QZ
12-2	Chords and Arcs	PDF	VID	QZ
12-3	Inscribed Angles		VID	QZ
12-4	Angle Measures and Segment Lengths		VID	QZ
12-5	Circles in the Coordinate Plane		VID	QZ
12-6	Areas of Sectors and Segments;  Locus: A Set of Points	PDF	VID	QZ
End of Course Test				TE

 

 

Math Resources

 

 

MathFoundation Online Math Courses.  Online Math Courses With Animated Lessons For Students Of All Ages. Learn Basic Math, Pre-Algebra, Basic Algebra And Geometry.

 

 

 

 

 

 

 

 

Making Math More Fun - Math Games Package.  Fun Math Games For School Or Homeschool Education - Printable Board Games, Card Games And Game Sheets For Children. Educational Games Ready For You To Print And Play. Makes Math Fun And Easy. Kids, Teachers And Parents All Love These Fun Math Games.

 

 

 

 

 

 

 

Fun With Figures.  Brilliant Mental Math Short Cuts That Will Amaze Everyone!

 

 

 

 

 

 

 

 

Seriously Simple Sums! Master Multiplication & Division. Dont Let Your Child Struggle With Maths Tables Any Longer! Watch In Amazement As They Calculate Large Sums Effortlessly, Even In Their Head! Help Them Become The Class Genius!

 

 

 

 

 

 

 

Amazing Mental Math Secrets - Ancient Vedic Math.  Ancient Super Fast Mental Math Secrets Discovered.

 

 

 

 

 

 

 

 

Math Puzzle Worksheets That Help Kids Learn Math! Teaches Addition, Subtraction, Multiplication, And Division. Publisher Provides Excellent Customer Support And Service.

 

 

 

 

 

 

 

 

Math Lesson Plan For Teachers! Great For Teachers, College Professors, Continuing Education And Homeschool Students. Teaches Check Writing Skills, Problem Solving Skills With Real Life Scenerios.

 

 

 

 

 

 

 

 

Timesavers For Teachers - Popular, Often-used Classroom Tools.  Worlds Largest, Complete Collection Of Printable, Often-used Classroom Forms, Over 1800 Report Card Comments, Spelling Activities, 1000 Writing Prompts, Worksheets, Award Certificates, Math Forms.. Lots Of Free Stuff, Immediate Download And Use

 

 

 

 

 

 

 

 

Master Math & English. Easy Explanations. 1200p Poster! Great For School, Homeschool, Adults. Contains Illustrated Topic Explanations, Worked Answers, Tips And Techniques. 5000 Copies Sold! Instant Access E-books, 1200 Pages, Plus A Free Poster!

 

 

 

 

 

 

 

 

 

SpeedMath From Ame Labs. Teach Your Children Math Facts In 21 Days Guaranteed.

 

 

 

 

 

 

 

 

Succeed In: Math! Research-based Math Help. Internet-based Software Program Subscriptions Create Personalized Tutoring Plans For Each Student Improve Math Skills, Increase Grades And Test Scores. The Bilingual Program Creates A Solid Foundation In Math Fundamentals From Middle Thru High School.

 

 

 

 

 

 

 

 

 

Adam Spencers Math Revision EBook.  Math Revision Study E-Book From The Young Child Prodigy Adam Spencer, A Grade Age 9!