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by Elaine Ernst Schneider
September 13, 2000
Pre-Class Assignment: Review/ completion of Algebra Lesson 7
In the last lesson, you learned that equations can be used to solve puzzles. For years, mathematicians have been solving the following puzzle to the amazement of their students. Not only is it a fun "trick," but it is based on a sound mathematical principle that makes it work:
By using your house number, a mathematician can calculate your age!
Here's how it works:
1.Double your house number.
Answer: the dollars will be your
house number and the cents will be your age.
But now the big question is:
HOW does it work? Give it a little thought before looking at the answer.
Assignment(s) including Answer key: Complete above then check here
Pre-Requisite To: Algebra Lesson 9
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