# Math

**Cool Math Sites**- http://cte.jhu.edu/techacademy/web/2000/heal/mathsites.htm
- Math Games, Puzzles, Problems, Brain Teasers & More Fun. Really Cool Math Websites! Algebra Sites! Geometry Sites! Even Discrete Math, Trigonometry and Calculus Sites! Math Puzzles and Math Brain Teasers Sites! Math Web Quest Sites! Math Humor! Elementary, Middle School, and High School Math Teacher Resources!

**Polyhedra**- http://www.korthalsaltes.com
- beautiful 3-D geometrical figures that have fascinated philosophers, mathematicians and artists for millennia. On this site are more than eighty paper models available for free.

**Eisenhower National Clearinghouse**- http://www.enc.org
- Math and Science Resources including Lesson Plans, Free Stuff and Professional Resources

**Demos with positive impact**- http://www2.gasou.edu/facstaff/lroberts/demos/
- Grades: 9 – Post-secondary
- Put the power of presentation to use with these demonstrations that use instructional technology to illuminate mathematics concepts. Demos cover topics in precalculus, calculus, and postcalculus.

**Symmetry and pattern**- http://mathforum.org/geometry/rugs/
- Grades: 4 – 10
- They’re not just pretty to look at–the mesmerizing beauty of Oriental carpets can teach as well as enchant when we consider how their designs apply pattern and symmetry. This site provides a gallery of rugs as examples, as well as definitions of concepts such as translation, glide reflection, and tessellation.

**VESTAC, Visualization of and Experimentation with Statistical Concepts**- http://www.kuleuven.ac.be/ucs/java/index.htm
- Grades: 11
- Post-secondary Statistics students everywhere, take notice: this site will change the way you see statistics, if only because the applets featured here let you actually see representations of abstract concepts in action. Topics range from the basics to the more complex, such as regression and the Anova plot.

**Math-lets**- http://illuminations.nctm.org/mathlets/index.html
- A smorgasbord of mathematical applets! Use these interactive tools to explore standards-based mathematics in engaging ways right in your own classroom. Each applet contains a brief description of its intended purpose and indicates to which grade-level band it applies.

**Ask Dr. Math**- http://mathforum.org/dr.math/
- Ask Math questions. Organized by grade level

**Math Forum**- http://mathforum.org/
- Math Site for Teachers, Students and Parents

**Interactive Math Activities**- http://www.mathsyear2000.org
- Math activities, games, puzzles and resources

**National Council of Teachers of Math**- http://www.nctm.org/
- NCTM standards, publications and information

**Illuminations**- http://illuminations.nctm.org/index2.html
- Internet resources to improve the teaching and learning of mathematics for all students

**Puzzlemaker**- http://puzzlemaker.school.discovery.com/
- Puzzlemaker is a puzzle generation tool for teachers, students and parents. Create and print customized word search, crossword and math puzzles using your word lists.

**Tantalizing Tessellations**- http://mathcentral.uregina.ca/RR/database/RR.09.96/archamb1.html
- Integrates math concepts with Language Arts and art education

**Tantalizing Tessellations**- http://mathforum.org/sum95/suzanne/tess.intro.html
- Tessellation Tutorial