Problems, Puzzlers, and Games

Traditional or fun interactive sites for practicing problem solving or computation. The emphasis may be on logic or skill development.

1. Jim Loy's mathematics page
   ENC Digital Dozen Site  
   Date: 2003 Grade(s): 6 - Post-Sec. Cost: Free ENC#: 027665
   This Internet site provides many lesson resource materials for teachers and students pertaining to areas such as arithmetic, algebra, geometry, and precalculus. Topics featured include sequences and series, Euclidean and non-Euclidean geometry, complex numbers, fractals, chaos, and number theory.
   (For more details, see ENC Record.)
   
   
2. Interactive mathematics miscellany and puzzles: games and puzzles
   ENC Digital Dozen Site  
   Date: 2004 Grade(s): 9 - Post-Sec. Cost: Free ENC#: 029015
   This Internet site offers over 60 interactive mathematics games and puzzles that are designed to be engaging and fun for students. The games and puzzles are presented as java applets and focus largely on logic and problem solving skills.
   (For more details, see ENC Record.)
   
   
3. Calculus-Help.com
   ENC Digital Dozen Site  
   Date: 2003 Grade(s): 11 - 12 Cost: Free ENC#: 027654
   This Internet site, developed as a resource for teachers and students of high school calculus, provides free multimedia tutorials and practice problems. The tutorials cover topics such as limits, continuity, and derivatives.
   (For more details, see ENC Record.)
   
   
4. Max's math adventures
   Featured in ENC Focus  
   Date: 2003 Grade(s): K - 2 Cost: Free ENC#: 028509
   This Internet site, developed for grades K-2, provides a number of activities designed to help young students discover mathematical problems in everyday situations and apply math skills to solve real-world problems. Each activity focuses on a specific math skill such as addition, number patterns, or graphing.
   (For more details, see ENC Record.)
   
   
5. Evidence: the true witness
   ENC Digital Dozen Site  
   Date: 2004 Grade(s): 7 - 12 Cost: Free ENC#: 014314
   This World Wide Web (WWW) site, developed by an international team of high school seniors as part of ThinkQuest 98, features an interactive game and information about careers in forensic science. ThinkQuest is a worldwide competition that challenges students from around the world to collaborate and create educational resources for the Internet community.
   (For more details, see ENC Record.)
   
   
6. Nick's mathematical puzzles
   ENC Digital Dozen Site  
   Date: 2003 Grade(s): 11 - Post-Sec. Cost: Free ENC#: 027660
   This Internet site, updated weekly, presents 68 math puzzles designed to be educational and fun for students. Pre-college math skills are necessary for solving the puzzles, which address topics such as algebra, calculus and geometry.
   (For more details, see ENC Record.)
   
   
7. Cyberchase
   Featured in ENC Focus   ENC Digital Dozen Site  
   Date: 2003 Grade(s): 1 - 7 Cost: Free ENC#: 028324
   This web site provides more than 30 games that test players' logic skills and spatial sense. Some of the games also involve number sense or basic arithmetic.
   (For more details, see ENC Record.)
   
   
8. Moneyopolis: where money sense rules!
   ENC Digital Dozen Site  
   Date: 2003 Grade(s): 6 - 8 Cost: Free ENC#: 029466
   This Internet site offers an educational game developed to help students in grades 6-8 learn basic financial planning concepts. Students must help an animated alien character named Xerbie fix his broken spaceship by answering a series of questions involving money management.
   (For more details, see ENC Record.)
   
   
9. KidsAstronomy.com: a universe of discovery
   ENC Digital Dozen Site  
   Date: 2004 Grade(s): K - 12 Cost: Free ENC#: 020821
   This World Wide Web (WWW) site, developed for K-12 students by a former elementary teacher, provides background information, real-time data, and interactive games that explore astronomy. An Astro News section, updated every weekday, addresses current space topics and a future online magazine will feature articles written by students.
   (For more details, see ENC Record.)
   
   
10. Visual fractions: an online tutorial
    ENC Digital Dozen Site  
    Date: 2004 Grade(s): 4 - 9 Cost: Free ENC#: 016885
    This World Wide Web (WWW) site aims to reduce fraction anxiety, called Fractionitis, in adults and students by helping the user picture fractions and the operations that can be performed on them. There are instructions and problems to work through for the operations of addition, subtraction, multiplication, and division, first using fractions and then working with mixed numbers.
    (For more details, see ENC Record.)
    
    
11. Math fundamentals problem of the week
    Featured in ENC Focus   ENC Digital Dozen Site  
    Date: 2003 Grade(s): 3 - 5 Cost: Free ENC#: 026886
    This Internet site, developed by the Math Forum, features nonroutine problems for students working in the content areas of numbers, operations, and measurement, as well as introductory geometry, data, and probability. The problems are designed to help elementary students learn to problem-solve and communicate mathematically.
    (For more details, see ENC Record.)
    
    
12. Math cats magic chalkboard
    Featured in ENC Focus   ENC Digital Dozen Site  
    Date: 2003 Grade(s): 1 - 8 Cost: Free ENC#: 019003
    This web site, created by teacher and parent Wendy Petti, is designed to allow children to explore mathematical concepts through the use of computer applets. It consists mostly of a collection of activities covering topics such as multiplication, estimation, money, shapes, and mathematical vocabulary.
    (For more details, see ENC Record.)
    
    
13. Math playground
    Featured in ENC Focus   ENC Digital Dozen Site  
    Date: 2003 Grade(s): K - 6 Cost: Free ENC#: 028219
    This Internet site contains a number of word problems, math games, and logic puzzles designed to help students in grades K-6 practice their skills in mathematics. The activities focus primarily on addition, subtraction, multiplication, and division.
    (For more details, see ENC Record.)
    
    
14. Bet the farm
    ENC Digital Dozen Site  
    Date: 2002 Grade(s): 4 - 8 Cost: Free ENC#: 027576
    This web site, developed and maintained by Ohio's Columbus Center of Science and Industry (COSI), is an interactive, online game that tests users' agricultural knowledge and skills. In the game, players assume the role of a farmer and make a series of farming choices on what products to raise, how to manage product growth, and how to market the harvest in an effort to keep the farm profitable at the end of the year.
    (For more details, see ENC Record.)
    
    
15. Multiflyer
    Featured in ENC Focus   ENC Digital Dozen Site  
    Date: 2002 Grade(s): 2 - 5 Cost: Free ENC#: 028157
    This web site provides a game that helps users practice multiplication skills. In the game, players are put in control of a one-person spacecraft.
    (For more details, see ENC Record.)
    
    
16. NRICH
    ENC Digital Dozen Site  
    Date: 2003 Grade(s): 1 - 12 Cost: Free ENC#: 014858
    This Internet site, the product of a project from the University of Cambridge in England, offers mathematical curriculum enrichment to support the learning of very able children of all ages. Main sections of this site include a service that aims to answer mathematical queries; a monthly magazine offering mathematical challenges, articles, and news; and a resource bank.
    (For more details, see ENC Record.)
    
    
17. Sodaplay
    ENC Digital Dozen Site  
    Date: 2002 Grade(s): 10 - Post-Sec. Cost: Free ENC#: 026553
    This World Wide Web (WWW) site allows users to create virtual robots out of simple physics components. Users create a stick-figure model of a walking robot by assembling various combinations of masses, springs, and muscles.
    (For more details, see ENC Record.)
    
    
18. Maths challenge.net
    ENC Digital Dozen Site  
    Date: 2002 Grade(s): 6 - 12 Cost: Free ENC#: 025925
    This web site has collections of problems from many different levels of mathematics. The Junior and Senior Problems, with solutions and new problems published monthly, are aimed at middle and high school students respectively.
    (For more details, see ENC Record.)
    
    
19. Geometry problem of the week
    ENC Digital Dozen Site  
    Date: 2004 Grade(s): K - 12 Cost: Free ENC#: 008590
    This World Wide Web (WWW) site presents a weekly geometry problem. The problems are intended for any interested individuals, and solutions may be submitted directly from this site.
    (For more details, see ENC Record.)
    
    
20. Welcome to the Math League: building student interest and confidence in mathematics through solving worthwhile problems
    Featured in ENC Focus  
    Date: 2004 Grade(s): 4 - 12 Cost: Free ENC#: 012664
    This World Wide Web (WWW) site, maintained by the Math League, provides information that will enable teachers, educators, and parents to bring challenging mathematics materials to students in grades 4 to 12. The Math League sponsors contests and publishes books and computer software designed to stimulate interest in and promote confidence in mathematics.
    (For more details, see ENC Record.)