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Trial and error

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Often the problems require trial-and-error approaches instead of canned methods. How do you approach these types of problems and why? Examples are encouraged.

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Solution Summary

This provides a brief description of how someone may approach problems that require trial and error.

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There are many types of problems that can be solved using trial-and-error methods. This is an excellent method to use when the math required to solve using a specific method is above what the problem-solver has learned. For example, if I gave the following word problem:

Billy buys a ball and a bat. The bat costs $10 more than the ball. Together they cost $20. How much does the ball cost?

For a student who is able to write and solve equations, using algebra is the best method. But if not, a student can use trial and error by guessing possible options for the ball. The best way to ...

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