Basic Geometry

    Theorem of Pythagoras and pi

    Transformations and more

    Circles & Conics

    3D modeling 
  Non Euclidean Geometry**

   Geometry Help For All Grade Levels	

Basic Geometry

 

Name	Topic	Description
Coordinate Geometry	Interactive resource for teachers powerpoint notes hands on activities	Tutorial in coordinate geometry with mini quizzes after each section. reference to basic Geometric definitions proofs and activity sheets to make.   project ideas for math teachers to use with geometry lessons. the projects are broken down by chapter  with the title of the chapter powerpoint lessons that go with the Glencoe geometry book.  thanks to Mr. Perez.  check it out (updated)     The activities will help you get a "hands-on" feel for some of the fundamental principles of geometry. Try them all to help understand theorems and proofs.
Basic Geometry notes and problems Interactive Geometry Quiz   Addison Westley Geometry projects   Geometry on powerpoint
Interactive Geometry exploration
Geometry step by step	Interactive “ good site”	It provides an eclectic mix of sound, science, and Incan history in order to raise students' interest in Euclidean geometry. Visitors will find geometry problems, proofs, quizzes, puzzles, quotations, visual displays, "scientific speculation", and more.
Lines and Angles   what's my angle angle converter	Interactive with mini lessons	This site is interactive.  It has lessons on lines segments, and online quizzes to review the lessons.  This is apart of an SAT program to prep students for the test. interactive site to measure angles with a protractor a calculator that converts seconds, min, mill, deg, grad, and rad into sec, min, deg, grad, and rad.
Angles and transversals	Interactive with lesson plans	Excellent site for practicing knowledge of alternate interior, exterior, and other angles
Measuring angles with a protractor	Interactive with quiz	Interactive take this quiz that allows you to measure a polygons angles with a protractor that moves.
Construction in Geometry	Interactive tutor	Help you develop your skills in geometric construction.  Manipulatives online
`Triangle sum   Triangle Calculator	interactive	Manipulate the figure to make conjecture about the sum the  three angles in a triangle   using the calculator for sss, sas, asa, aaa you can find the missing parts of your triangle and also find the area.  Works with radians and degrees.
Lines (Betweenness Theorem)	Lesson plan ideas for computer programs like Cabri and Geometer sketchpad   Some are interactive	A 25 minute lesson using geometer sketchpad for instruction of Betweenness.
Lines, rays, line segments, and planes		An interactive lesson that introduces them to lines and rays.  This lesson has the objectives and questions to help guide learning
Euclid’s Elements		Excellent interactive dictionary in applet that defines geometric terms.  Has the 13 Books.
Basic terms		Illustrations and definitions of basic geometric terms
Bottomless Geometry worksheet	Worksheets that are endless	Length and midpoint of a line segment worksheets with answers
Geometry homework checker	Interactive area homework checker	Check homework problems that have perimeter, circumference, area, and volume of geometric shapes
Area of Triangle explorer	Interactive with lessons	The student will have three levels of difficulty.  They will try to find the area of the given triangle.  The program will tell them if they are right.
Geometry practice Area	Interactive	Teaches Geometry facts and has interactive practice with area, perimeter and volume
Geometry area flashcards	Interactive area practice	Set up the flashcards by selecting how many problems you want and then find the answer.  The interactive program will keep track of how many answers are correct
Glencoe Math (Geometry)	Interactive	Interactive self check quizzes from the Glencoe geometry books
Special lines and circles in triangles		Use this applet to observe special lines in triangles.  a visual reinforcer
Geometry Standard	Interactive	Learning about Length, Perimeter, Area, and Volume of Similar Objects Using Interactive Figures: Side Length and Area of Similar Figures
Area and Perimeter	Interactive tutorials	Great for checking homework and practicing manipulating the formulas
Volume and Surface Area
Circles
Triangles
Rectangular Wedge Sector of Circle Segment of Circle Annulus/Circular Ring Ellipse Frustrum of a Pyramid Cone Frustrum of a Cone Right Circular Cylinder with Oblique Face
Properties of polygons (+ making triangles)	Interactive	With the use of an interactive Geoboard visually investigate the concepts of triangles and polygons
Identify the number of sides+angles		In a polygon you are to identify the number of sides or the angles in a given polygon (interactive)
Understanding shapes		An interactive guide to understanding shape and their patterns and properties a great site for learning
Identify the polygon		Given the number of sides or angles in a polygon you are to find the name of the polygon
Identify the triangle		Identify triangles by the angles
Congruent and Similar Triangles		Interactive way to compare and contrast similar and congruent triangles
Lines of symmetry	interactive	Given a geometric shape you have to find the line of symmetry
Geometry topics Interactivate	Excellent interactive site with lesson plans	The activities from Project Interactivate can be used to explore Geometric topics. The lesson ideas are still a work in progress but all of the activities are aligned with suggested grade levels
National library of virtual math		Like Interactivate the manipulatives cover some geometric areas in the national standard in an interactive way
Interactive online activities	Interactive	Fun math activities with fractions, algebra, and geometry
Math Dictionary	reference	Interactive dictionary.  Move your mouse over the word and a definition and picture will show up.
Math resource	Lessons activities and more	On-line math activities
Mega math	Interactive with lessons	Lesson ideas and activities (NCTM)
Triangle Parallelogram Rectangle Square Circle Trapezoid  Rhombus Sphere Cube Cuboid Pyramid  Parallelogram Distance & Midpoint Regular N-gon	Geometric calculators	For finding Area and Perimeter of these objects.  A mini lesson and practice section are included.  Good practice from gomath
Circles Squares Rectangles Spheres Cylinders Boxes		For finding Area and Perimeter of these objects.  .  Good practice from web math
Flashcards (java or non java)		Interactive: from basic math skills to Algebra and Geometry.
Math cruncher	Interactive	Math activities to help with numeracy
GSP lessons in geometry	Lesson ideas with dynamic geometry	Ideas that use Geometer Sketchpad as an interactive way to teach Betweenness, angle and segment relationships etc…
Coordinate grids + more	Graph paper maker & Interactive	Will make coordinate grids and also has manipulatives with fractions and other useful math material
Edhelper: (Geometry)	Worksheets premade	Printable worksheets by grade level (some materials require membership)  use the premade free worksheets below the first set of create a worksheet option
Web based activity planning template	Lesson plan template	You can use this for the activities above or for you own lessons it is a lesson plan template.
Parallel and Perpendicular Lines	Interactive tutorial	Tutorial and quiz on parallel and perpendicular lines. Taken from SAT prep section of go math
Geometry (from math site)	Interactive and mini tutorial	Practice problems
Geometry (homework help)		Tutors and practice problems
Building with geometry	Interactive with lessons	How geometry and basic shapes work in building design a great site supported by PBS
STOCKS QUEST	Interactive	A stock market program that has lessons included.  The teacher could set up a group and monitor the students as they invest.  Excellent game.
Geometry practice tests	Interactive	Geometry quizzes and tests from a geometry class in Ohio
Geometry Gambit	Challenge problems for geometry	From the University of Mississippi, Geometry challenge problems for students to try and solve.
Geometry at science U	Interactive and information	This site has formulas from lines and segments to spheres and torus (donut shapes).  Has interactive sections as well
Javasketchpad	interactive	Used to investigate geometric shapes and their properties
Dynamic geometry download	Dynamic geometry downloads	This is a site to download demo versions of Cabri and Geometer sketchpad along with other dynamic software.  Check it out
Informal Geometry	Worksheets in PS and pdf files	Worksheets to help in learning about triangles and  area  using Geometer sketchpad
Square roots by hand	Reference	Calculate square roots by hand

The Theorem of Pythagoras and pi

Transformations

 

Name	Topic	Description
Transformation (a collection of activities)	Interactive	Different approaches to teaching and learning about transformations
Transformation (ROTATION)	Interactive lessons **Excellent**