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Algebra - One On One
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Cynthia Lanius -- Welcome
Cynthia Lanius' Fun Mathematics Lessons was one of about twelve math sites selected as the best for teachers on the Internet today in the books 101 Best Web Sites for Secondary Teachers and 101 Best Web Sites for Elementary Teachers published by the International Society for Technology in Education.
Cynthia serves as Associate Director of the Math Forum @ Drexel but continues to maintain her mathematics site. Thanks to the Rice Univeristy Math Department for hosting this site.
Read her complete biography
Cynthia Lanius
Algebra - Fun with Calendars
A fun mathematical puzzle to play with your friends.
(Or teachers, with your class.)
1819
2526
Take any calendar. Tell your friend to choose 4 days that form a square like the four to the right. Your friend should tell you only the sum of the four days, and you can tell her what the four days are.
How does the puzzle work? You know how people always want to see a use for algebra? Well this puzzle uses algebra. Here's what I mean.
Let ...
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Matching, flashcards, concentration, word search
Algebra Vocabulary
15 Algebra vocabulary terms you should know!
Tools
See a list of terms used in these activities.
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