“Este ‘website’ está dedicado a mi querida esposa, Gloria.”

Terry Trotter (1941 – 2004) was a math teacher. He worked for over 7 years in the U.S. before coming to live in El Salvador (1981) to work at the Escuela Americana in San Salvador. His main focus and experience has been at the upper elementary and middle school levels, but he taught advanced secondary math courses as well.

What this webpage contains however is not your usual sort of “school math” topics, at least not presented in the same way. It contains, by and large, “Trotter Math”. That is stuff that interests Terry in particular, and that has proved to be interesting to students that have been exposed to his style of lessons and activities.

Your comments are welcome. Thanks.

I do not know what I may appear to the world; but to myself I seem to have been only like a boy playing on the seashore, and diverting myself now and then finding a smoother pebble or a prettier shell than ordinary, whilst the great ocean of truth lay all undiscovered before me.

-Isaac Newton, philosopher and mathematician (1642-1727)

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