Depends on their age. Anyone under the age of 35 would struggle or look at you blankly and ask what's long division. They would even look at you more blankly if you asked them about fractional adddition, subtraction, multiplication and division.
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I don't know - they taught my daughter to do all of those, and are teaching my son, (she's 12, so she's past that, he's 8, so he's learning that)