Math Open Reference is a free online reference for geometry teachers and students. Math Open Reference features animated and interactive drawings to demonstrate geometry terms and concepts. The table of contents on Math Open Reference is divided into four basic categories; plane geometry, coordinate geometry, solid geometry, and function explorer tools. Click on any subject in the first three categories to find definitions, examples, and interactive drawings. In the function explorer category users can select linear functions, quadratic functions, or cubic functions to explore how changes in variables affect the graphed output.

When it comes to creative uses of Google tools, Tom Barrett is certainly a leader that we can all learn from. A great example of this can be found in Tom&#39;s Math Maps. Math Maps are Google Maps on which Tom and others have created placemarks which when clicked reveal mathematics

questions for students to answer based on the maps. There are questions available for every elementary school grade level. The placemarks are color-coded to indicate the level of the questions. Blue = Kindergarten, Red = 1st grade, Green = 2nd grade, Light Blue = 3rd grade, Yellow = 4th grade, Purple = 5th grade. Visit Tom Barrett&#39;s Math Maps page to view the existing Math Maps and read about how to contribute to the existing Math Maps.

RealWorld Math is a great resource for teachers who would like to explore uses of Google Earth in mathematics lessons. Real World Math, designed by Thomas Petra, uses Google Earth as the centerpiece of mathematics lessons. RealWorld Math has the lesson plans divided into five categories; project-

based learning, concept lessons, measurement lessons, exploratory lessons, and space lessons. The space lessons take advantage of the Moon, Mars, and Sky views in Google Earth. If you&#39;ve never used Google Earth, Real World has a large collection of tutorial videos that you can view on the website or inside of Google Earth.

Math Live is a neat mathematics website developed by Learn Alberta. Math Live presents students with animated stories that teach mathematics lessons. In all there are twenty-three lessons for elementary school and middle school students. The lessons are divided into four categories; Number, Patterns and Relations, Shape and Space, Statistics and Probability. Each animated lesson is accompanied by a mathematics worksheet that students complete either while watching the lesson or after viewing the lesson. Each lesson is divided into sections and students can advance or rewind as needed.

Conceptua Math is a provider of interactive visual mathematics lessons. Conceptua Math&#39;s primary focus is on the development of tools to aid teachers in the instruction of lessons on fractions. Conceptua Math&#39;s offerings are a mix of free and premium (paid) tools. There are a total of fifteen

free interactive tools for teachers and students. Each of the free tools has an introductory video and a sample lesson plan.

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