"pedo" in spanish means "fart". When students forget that Pedir, meaning to order, is a stem changing verb, they might say "pedo" when the correct form of "I order" is "pido". Grammar lessons aren't just to make them suffer, it's so the waiters don't laugh at them later in life :)
STEM Engineering Challenge Novel Pack ~ The One and Only Ivan, by K. Applegate
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8 Must-Try Coding Websites & Apps for Students Coding websites and apps place valuable resources in the hands of students. With mobile and web-browser based tools, all ages can explore computer science.