 Age Word Problems  Math Forum, a Classic Problem from the Ask Dr. Math FAQ
A problem with one variable: Al's father is 45. He is 15 years older than twice Al's age. How old is Al? But what if we can't express all the information in the problem using only one variable? Sometimes we must use two variables to express the given information, which means that we need two equations to solve for these variables.
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 Math for Kids: A Medieval Adventure in Problemsolving  ThinkQuest Junior
A site designed by two fourthgraders for sharpening math problemsolving skills: students can practice and learn to solve 30 word problems stepbystep (multiplechoice answers with answer pages are provided), or share word problems they've written. Pages on Word Problem Solving Strategies explore multiple step problems logical reasoning, choosing a calculation method, problems with more than one answer, deciding when to estimate, using data from a chart, and more.
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 Math Stories.com: House of Math Word Problems for Children  MathStories.com, Inc.
Word problems for grades 16, singly and in interactive or printable worksheets. Problems cover all five major math strands, and include openended and critical thinking problems. Problems are aligned to state and NCTM standards, and available in English and Spanish. Subscriptions are offered in English, Spanish, or both.
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 MathWorld Interactive  Carolynn S. Mortensen
Openended word problems and some answers from this nowdefunct project. MathWorld began as MathMagic FidoNet in 1991, and was dedicated to helping educators and parents motivate their students to solve openended word problems, communicate mathematically, and share cultural and geographical information. A specific problemsolving format was used for each challenge. Five puzzles are also available.
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 Understanding (Learning and Mathematics)  Greeno, Riley; Math Forum
In their 1987 article, "Processes and Development of Understanding," James G. Greeno of Stanford University and Mary S. Riley of San Diego State University examine why younger children seem to lack the ability of older children to solve mathematical word problems. Greeno and Riley distinguish between the ability to do the computation required for problem completion and the ability to identify the question posed by a problem. They dispute the hypothesis that older children's greater facility in solving mathematical word problems results from greater knowledge of possible strategies. Instead, they argue that younger children possess the relevant conceptual knowledge but cannot effectively create a mental representation of the necessary information. A geometry.precollege newsgroup discussion.
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 Word Problems for Kids  St. Francis Xavier University; Canada's SchoolNet
Word problems by level for students in grades 512, which can help improve problemsolving skills. A hints link is available for difficult problems. Complete solutions are available upon request to teachers with email addresses. From students, principals, and professors associated with St. Francis Xavier University in Canada; some problems have been adapted from Canadian Mathematics Competitions.
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 Word Problems  Math Forum, Ask Dr. Math FAQ
When I'm given a 'word problem', where do I start? A variety of approaches for tackling word problems.
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 Word problems that lead to simple linear equations.  Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
An introduction to the mathematical representation of word problems, with a simple interactive exploration of linear equations.
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