- Khan AcademyExpert-created math content and resources for every course and level. Always free.
- Algebra HelpAlgebrahelp.com is a collection of lessons, calculators, and worksheets created to assist students and teachers of algebra.
- THEA Math Practice TestIf you are wanting to take a practice test for the math part of the THEA test, you have come to the right place. (Also useful practice for the math portion of the ACCUPLACER test.)
- Open Culture Math CoursesGet free Math courses online from the world's leading universities. You can download these audio & video courses straight to your computer or mp3 player.
- PurpleMathPurplemath's algebra lessons are written with the student in mind. These lessons emphasize the practicalities, demonstrating dependable techniques, warning of likely "trick" questions, and pointing out common mistakes.
- MathWorldAn impressive free service provided by Wolfram Research, makers of the software, Mathematica. (More an encyclopedia of math than a links page.)
- Scientific calculatorA fully featured scientific calculator with trig functions and logarithms. (Note the links to tools in resources at top left of page.)
- Unit conversionsPerform online conversions between many measurement systems, both commonly used like metric and U.S. and quite exotic like ancient Greek and Roman.

- Ask a LibrarianAsk questions, report problems, or just send comments and suggestions.

**December**** 2022**

There are 5 Islands in a row. Parker the Paranoid Pirate has a ton of gold hidden on one of them.

During the day you have enough time to sail to just one island to find the gold.

But every night Parker moves all that gold exactly one island over (so if it was on island 4 it gets moved to either island 3 or 5)

What strategy can you use to have the best chance of finding the gold?

Is it possible to be sure of finding the gold?

(Try this puzzle with a friend, one of you can be Parker)

Pierce, Rod. (4 Aug 2021). "5 Islands Puzzle". Math Is Fun. Retrieved 3 Mar 2022 from http://www.mathsisfun.com/puzzles/5-islands.html

*Check your answer against the solution here!*

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- Last Updated: Jan 11, 2023 1:53 PM
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Subjects:
Math & Science

Tags:
algebra, arithmetic, calculus, geometry, mathematics, numbers, probabilities, statistics

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