Wednesday, April 18, 2007

Day -41: Parallel Universe

It's late and I'm leaving tomorrow night for a wedding in NYC, so this will be short.

A good geometry problem for fourth graders (at least my students liked it when I spontaneously thought of it):
Which letters of the alphabet have perpendicular lines? Which ones have parallel lines? (Looking at this curvy font, it seems like a silly problem, but I'm sure you can use your imagination ...)

"Can we use letters in Spanish?" Alex asked right away when trying to solve the parallel part of the problem. I had a hunch he had thought of the "ll" letter, pronounced like the "y" in yellow. I was right.

"What do people mean when they say 'parallel universe'?" Juan asked a moment later.

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