Math

• A Maths Dictionary for Kids (an animated, interactive dictionary for students which explains over 500 common mathematical terms in simple language)
• A+Math (completely free; interactive flash cards, game room, homework helper, worksheets)
• AAA Math (grades K-8; online math materials for students; lessons, games, interactive practice; glossary)
• Algebra Resources from Denise Carlton (explanations, examples, interactive drills & quizzes, tutorial movies)
• AIMS Puzzle Corner (over 100 interesting puzzles to help students learn to enjoy puzzles and the mathematics behind them; categorized by type, with increasing difficulty within each type)
• Allmath.com (flash cards, converter, games, biographies, math glossary, multiplication table, kids resources, kids references, math career exploration, math humor, teacher resources)
• Almost Everything You Need for Using Spreadsheets in the Classroom
• At Home with Math (K-5)
  
• Atlantic Canada Lesson Plans (grades K-8; over 200 lesson plans)
• Basket Math Interactive (grades 4-10)
• Brainchild.com (good TCAP practice; click on your state)
• Calculus-Help.com (tutorials, fun stuff, problems, more)
• Centre for Innovation in Mathematics Teaching
• Cody's Science Education Zone (grades 6-12; lessons available in physical science, life science, inquiry, technology, math, and humor; a must visit!
• Coolmath.com (ages 13-100, calculators, message boards, games, math lessons, math links, careers in math)
• Coolmath4kids
• Count Us In (K-5; 15 math games that are dynamic & entertaining; counting, addition, subtraction, sorting, and ordinal numbers; time, chance, volume; students can create their own patterns, play a virtual memory game, or search for the star in the surprise box)
  
• Cut-the-Knot Interactive Mathematics Miscellany
• Discovery School's WebMath
• Education for Kids Math Exercises (K-8; most drills are free)
• Eric Weisstein's MathWorld
• Eratosthenes of Cyrene (grades 6-12; contains historical info about Erathosthenes & ancient Greek mathematics, an explanation of how the sieve works, and a virtual sieve that can determine whether any number is prime; excellent vehicle for integrating history, geography, social studies, and math)
• Exploring Data: K-8 Lessons on the Web (standards-based lessons)
• Figure This! (upper elementary, middle school, early high school; developed by math teachers; free math resources, activities, and challenges; encourages parental participation)
• Gallery of Interactive Geometry
• Get Smarter.org (gr 3-8; select "Practice Math", "Practice Science", or "The Real Challenge" from the bottom of the window; select grade level and subject from next screen)
• GoMath (grades 10-12; good math helps)
• Illuminations (grades K-12 - explore the connections between art and math)
• Interactive Fractions, Fractions 2, and Advanced Math
• Interactive Learning in Calculus
• Interactive Mathematics Miscellany and Puzzles
• Interactivate (grades 3-5; online interactive activities complete with lesson ideas; factoring, fractions, comparison, estimation, too much to list)
• K-12 Mathematics Activities
• KidsPlace Brain Teasers (grades 3-8; a weekly problem to solve, broken down by grade level, as well as an archive of past problems)
  
• King's List of Online Math Activities (grades 4-6)
• Marilyn Salee's Links to Useful Stuff for Math Teachers
• Mega Math
• Mad Scientist Network
• MASSIVE (database containing info on over 2000 science & math songs; good for grade 2-up)
• Math Archade from Funbrain
• Math Archives (supported by the National Science Foundation and the University of Tennessee Science Alliance & the Department of Mathematics at Calvin College and UTK - teaching materials, lessons, links, & more)
• Math Baseball from Funbrain
• Math Cats (makes learning math fun for kids; wild, cat-based interactive animations that explan statistics; projects that kids can do at home as well)
• Math Central (Internet service for math teachers and students from kindergarten to grade twelve)
• Math Flash (grades K-5; an online flashcard game; addition, subtraction, multiplication, division)
• Math Forum Lesson Plans, Activities, links, more (pre-K-grade 5; middle school; high school)
• Math in Daily Life (sponsored by the Annenberg Foundation)
• Math is fun.com ( grade 3-12; however some more complex stuff, and some easier)
• Math League Help Topics from Math League Press (grades 4-8; all concepts with rules/examples)
• Math Lessons and Resources
• Math Mastery (basic math activities)
• MathMol (grades K-12 - about math and molecules; online images; free)
• Math Online Worksheets (grades K-5; randomly generated worksheets)
• Math - Primary Resources (hundreds of lesson plans, ideas, and worksheets)
• Math Puzzles (puzzles, problems, interactive puzzles, mazes, magic squares)
• Math Resources
• Math Resources for Teachers - Jim Reed
• Math Resources from STEM-Net
• Math Stories.com ("The goal of this math website is to help elementary and middle school children boost their math problem solving and critical-thinking skills. has over 15,000 interactive and non-interactive NCTM compliant math word problems for children to enjoy! Word problems are available in both English and Spanish. MathStories.com is the website for busy teachers, eager students, and involved parents. MathStories.com is comprehensive and easy to navigate.")
• Math Word Problems (grades 5-12)
• Mathematics Lessons that are Fun
• Mathematics of Cartography
• Mathwork Worksheets ( allows you to create and print math worksheets easily)
• Measure4Measure (collection of interactive sites that estimate, calculate, translate, evaluate, etc.)
• MegaConverter (converts almost anything)
• MegaMath (from the Los Alamos National Laboratory; website with challenging problem solving activities)
  
• Mrs. Glosser's Math Goodies (select students, teachers, or parents)
• (NCES) National Center for Education Statistics (select "Students' Classroom for online activities)
  
• National Library of Virtual Manipulatives (preK-12; excellent interactives)
• New York Times - Daily Lesson Plans - Mathematics
• Nick's Mathematical Puzzles (150
• Online Conversion (fun and interesting conversions)
• OPLIN Oh.Kids (7-9 yr-olds; select math)
• OPLIN Oh.Kids Webots (preK-6 yr olds)
• OPLIN Oh.Kids WebTweens (9-12 yr olds; select math)
• Plane Math from NASA
  
• Practical Money Skills for Teachers (preK-12 & special needs; lessons)
• Puzzles & Games
• My Secret Number
• Peg Puzzle
• Tac Tix
• Mathematics Nrichment: Daisy
• Towers of Hanoi
• The Maths File Game Show
  
• The Tower of Hanoi
• The Product Game (grades 3-8)
• The Factor Game
• The Energy Conservation Game (grades 6-12)
• Willie The Watchdog (primary age; teaches students to tell time)
• Make Five (primary age; students practice arithmetic facts while trying to get 5 markers in a row)
• Math Mayhem (primary age; fast-paced, multi-player game; students compete in real time against other participants from around the world)
• Fraction Game Tool (grades 3-8)
• The Stock Market Game
  

• Quia's Math Journey (travel around the world by answering math problems; select your skill set to generate your journey)
• Saxon Math Online Activities (all grades)
• School Spreadsheet Safari (definitions, lessons, examples in all content areas)
• Science and Math Initiatives (wonderful links to lesson plans, teacher resources, grants, freebies, etc.)
• SCORE Mathematics Lessons (grades K-12)
• Shodor Education Foundation (curriculum section; interactive elementary and middle school lessons)
• Single-Use Spreadsheets in the Classroom
• Spring Science from Riverdeep (many resources)
• SMILE (science & math's initiative for learning enhancement)
• South Carolina SSI K-12 Lesson Plans for Math and Science
• StudyWorks Online (grades 6-12; FREE learning site to help students discover math and science concepts)
• Suzanne's Mathematics Lessons
• SuzyRed's Math Page
• Teachers Helping Teachers - Math Lessons for grades 4-9
• Teaching Mathematics in Middle & High School (from students at Barry University)
• The Exploratorium (offers some of the most creative interactive activities of the Web in science, math, & human perception, including opportunities to follow expeditions online, visit the Hubble telescope, look through live cameras, participate in Webcasts, build projects and explore the science behind topics such as baseball and cycling)
• The Math Forum
• The Math Forum @Drexel (math lessons and activities in areas for K-2 or 3-5; also good links)
• The Math Glossary (grades 1-8; listing by grade level of math terms, definitions, and examples)
• The Maths Internet Guide (interactive activities online)
• The Science & Mathematics of Lighthouses (educational resource honoring the design, history and spirit of lighthouses; geometry, trig, algebra, physics, chemistry, history, more)
• The Stock Market Game
• Thinkquest Spreadsheet Classroom Activities in ALL Subjects
• Toon University Math Games (grades 1-5; basic math skills)
• To Excel in the Classroom is Elementary (excellent site for teaching spreadsheets & spreadsheet applications; graphing ideas & more)
• UTK's K-12 Math Teaching Materials (lesson plans, software, contests & competitions, more)
• Visual Calculus (modules that can be used in teaching or studying calculus)

• Word Problems for Kids (grades 5-12)

• Worksheets4Teachers (ready-made or create your own)