Math Topics

Lists of web sites categorized by subject areas within mathematics.

Prealgebra

1. Ask Dr. Math
   ENC Digital Dozen Site  
   Date: 2003 Grade(s): K - 12 Cost: Free ENC#: 003521
   This Internet site features a question and answer service for K-12 math students and their teachers. Visitors fill out a web form to send questions on mathematics related topics to Dr.
   (For more details, see ENC Record.)
   
   
2. Purplemath, your algebra resource
   ENC Digital Dozen Site  
   Date: 2003 Grade(s): 8 - 10 Cost: Free ENC#: 026833
   This Internet site features student algebra lessons on material ranging from preliminary algebra topics, such as absolute value and rounding and significant digits, to advanced algebra topics including complex numbers, logarithms, and exponential functions. Each lesson provides an explanation of the topic, practical tips, hints, and examples.
   (For more details, see ENC Record.)
   
   
3. ALEKS, Assessment and Learning in Knowledge Spaces
   ENC Digital Dozen Site  
   Date: 2003 Grade(s): 6 - Post-Sec. Cost: $17.95 ENC#: 028743
   This Internet site provides an interactive one-on-one tutor for the assessment and learning of mathematical skills. The automated tutor is designed to help students work on the math concepts they are most ready to learn by assessing the individual student's current level of understanding of basic arithmetic concepts.
   (For more details, see ENC Record.)
   
   
4. MathStories.com: math for Internet generation
   Featured in ENC Focus   ENC Digital Dozen Site  
   Date: 2000 Grade(s): 1 - 8 Cost: $24.00 ENC#: 016887
   This web site, created by an electronics marketing director dad in California, offers thousands of math word problems on reproducible ready-to-use worksheets. The goal of this for-a-fee site is to help students in grades 1 to 8 improve their problem-solving skills with math problems that reflect the analytic thinking skills needed in today's workplace.
   (For more details, see ENC Record.)
   
   
5. Tools for understanding: a resource guide for extending mathematical understanding in secondary schools
   Featured in ENC Focus   ENC Digital Dozen Site  
   Date: 1999 Grade(s): 7 - 12 Cost: Free ENC#: 016331
   This Internet site is intended to help intermediate and middle grade mathematics teachers, including those who teach remedial math classes, and secondary special educators, show students the connection between mathematics and its application in everyday contexts. The site is divided into three strands of information and activities: math concepts with topical lessons related to prealgebra concepts and statistics; integrated lessons with three examples of business related, open-ended problems for student exploration; and teacher strategies for introducing journaling as a way for students to explain and expand their mathematical thinking.
   (For more details, see ENC Record.)
   
   
6. Early algebra, early arithmetic
   ENC Digital Dozen Site  
   Date: 2000 Grade(s): 1 - 6 Cost: Free ENC#: 019237
   This Internet site, developed by a research team from TERC and Tufts University, features a teaching and learning approach where traditional topics of early mathematics are taught in deeper, more challenging ways. This approach allows students to go beyond computational fluency as they begin to develop the ability to make mathematical generalizations using algebraic notation.
   (For more details, see ENC Record.)
   
   
7. Figure this!: math challenges for families
   ENC Digital Dozen Site  
   Date: 1999 Grade(s): 5 - 8 Cost: Free ENC#: 016884
   This Internet site, a joint venture of the National Science Foundation (NSF) and the US Department of Education, offers families, teachers, and tutors mathematical activities helpful for encouraging problem solving with students in grades 5 to 8. The site features math challenges that use concepts and objects found in everyday life, such as how fast your heart beats, what shape holds the most popcorn, and how much of me shows in a mirror.
   (For more details, see ENC Record.)
   
   
8. Japanese math challenge: 20 story problems translated from Japan's jr. high math tests
   ENC Digital Dozen Site  
   Date: 1996 Grade(s): 6 - 8 Cost: Free ENC#: 016954
   This World Wide Web (WWW) site presents a sample of the 20 different types of story problems found on Japan's Junior High School math placement test for twelve year olds. For each logic based story problem, stated with an illustration or chart of information, there is a multiple choice question, a solution hint, and a complete explanation of the solution.
   (For more details, see ENC Record.)
   
   
9. National Library of Virtual Manipulatives for Interactive Mathematics: all topics (grades 6-8)
   Date: 2003 Grade(s): 6 - 8 Cost: Free ENC#: 100454
   This web site contains descriptions and links to more than 60 virtual manipulatives, activities designed to function as concept tutorials. The virtual manipulatives, mostly in the form of Java applets, are designed to facilitate grades 6-8 mathematics learning.
   (For more details, see ENC Record.)
   
   
10. National Library of Virtual Manipulatives for Interactive Mathematics: all topics (grades 3-5)
    Date: 2003 Grade(s): 3 - 5 Cost: Free ENC#: 100453
    This web site contains descriptions and links to more than 70 virtual manipulatives, activities designed to function as concept tutorials. The virtual manipulatives, mostly in the form of Java applets, are designed to facilitate grades 3-5 mathematics learning.
    (For more details, see ENC Record.)
    
    
11. National Library of Virtual Manipulatives for Interactive Mathematics: all topics (grades preK-2)
    Date: 2003 Grade(s): Pre-K - 2 Cost: Free ENC#: 100452
    This web site contains descriptions and links to more than 40 virtual manipulatives, activities designed to function as concept tutorials. The virtual manipulatives, mostly in the form of Java applets, are designed to facilitate preK to grade 2 mathematics learning.
    (For more details, see ENC Record.)
    
    
12. Stop that creature
    Date: 2003 Grade(s): 2 - 6 Cost: Free ENC#: 100369
    In this 10-round game, the player helps the Cybersquad defeat Hacker's plan to destroy the Poddleville power station. For each round, a conveyor belt inputs single numbers into a machine and outputs new numbers that are the result of using one arithmetic operation.
    (For more details, see ENC Record.)
    
    
13. Hotmath: math homework help : textbook solutions and answers for tutoring
    Date: 2003 Grade(s): 6 - Post-Sec. Cost: $29.00 ENC#: 028666
    This Internet site, developed for students and teachers of grade 6 and beyond, is designed to help students learn math and overcome anxiety about mathematics by providing step-by-step solutions for real homework problems from popular math textbooks. The site, created by high school teachers and college professors, aims to provide affordable tutorial help for students on a 24-hour basis.
    (For more details, see ENC Record.)
    
    
14. Profit or loss?
    Date: 2002 Grade(s): 6 - 8 Cost: Free ENC#: 100638
    This online activity challenges students to think about money and profit as they consider buying and selling a Beanie Baby. The activity is one of 80 mathematical challenges featured on the Figure This! web site emphasizing real-world uses of mathematics.
    (For more details, see ENC Record.)
    
    
15. Gone fishing: my, my little fish, how you've grown!
    Date: 2002 Grade(s): 6 - 8 Cost: Free ENC#: 100495
    Opening with a cartoon showing the weights of three combinations of fish, this activity challenges students to determine the weight of each fish. This activity is part of the Figure This! collection of challenges emphasizing real-world uses of mathematics.
    (For more details, see ENC Record.)
    
    
16. Analyzing numeric and geometric patterns of paper pool
    Date: 2002 Grade(s): 6 - 7 Cost: Free ENC#: 025530
    This Internet site features Paper Pool, a student exploration of mathematical topics encountered in grades 6 and 7--factors, multiples, rectangles, and the numerical relationship of being relatively prime. Included are an interactive applet, downloadable paper-and-pencil activity materials, and teacher notes.
    (For more details, see ENC Record.)
    
    
17. Algebra solutions
    Date: 2001 Grade(s): 8 - 10 Cost: Free ENC#: 028310
    This Internet site is a tool for prealgebra and algebra students to refine their math skills by practicing a variety of problems that include step-by-step solutions. The site provides online math help and addresses topics such as fractions, logarithms, and units of measurement conversion.
    (For more details, see ENC Record.)
    
    
18. Professor Freedman's math help
    Date: 2001 Grade(s): 11 - Post-Sec. Cost: Free ENC#: 018767
    This World Wide Web (WWW) site provides information about basic math and algebra. It also provides links for students and teachers to information about learning styles, study skills tips, and ways to reduce math anxiety.
    (For more details, see ENC Record.)
    
    
19. Graphing calculator software for the TI-83 plus
    Date: 2001 Grade(s): 8 - 10 Cost: Free ENC#: 028921
    This Internet site offers software for the TI-83 calculator, which may be purchased to help prealgebra and first-year algebra students attain a better understanding of mathematics involving motion. The software features dynamic simulations that are designed to instruct students in both traditional mathematical ideas, such as fractions, slope, and simultaneous equations, and foundational ideas of calculus, such as approximations, variations, and continuous changes.
    (For more details, see ENC Record.)
    
    
20. NASA-AMATYC-NSF mathematics explorations I and II
    Date: 1999 Grade(s): 11 - Post-Sec. Cost: Free ENC#: 018515
    This Internet site features mathematics learning modules based on NASA space activities. Materials are the result of a collaboration between the American Mathematical Association of Two Year Colleges (AMATYC), the Kennedy Space Center, and Capital Community College.
    (For more details, see ENC Record.)