But when I read this, I actually sat down and made up a few long division and multiplication problems for myself to do, because I actually wondered whether I would remember how to DO long division.I can't say I've used long division, per se, since school -- but I am a tad flabbergasted to learn that kids don't even learn how to do it anymore.
Then again, maybe this "concept math" described here would have been MORE helpful to me.
This is the kind of mental reasoning Mark always does when I ask him to divide or multiply huge numbers in his head.
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