The World of Trotter Math
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http://www.trottermath.net/  


Terry Trotter, Escuela Americana, San Salvador, El Salvador  
A page of problems, problem sheets, and investigations, with links to image files of an inclass math newsletter, Trotter Math News. Of particular interest to the author are numbers: happy and dizzy numbers; palindromes; super squares; perfect, amicable, and admirable numbers; and math poetry and limericks. Also calculator poker; prime numbers; decimal time; Pythagorean triples; Paul Erdos; Russian multiplication; Egyptian math; Trigg numbers; trinomials; ladder math; and many more.  


Levels:  Elementary, Middle School (68), High School (912) 
Languages:  English 
Resource Types:  Games, Lesson Plans and Activities, Problems/Puzzles, Newsletters 
Math Topics:  Basic Algebra, Basic Operations, Exponents/Roots, Fractions/Decimals/Percents, Number Sense/About Numbers, Large Numbers, Prime Numbers, Patterns/Relationships, ProblemSolving 
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