re: 9+6 = ? "Our young learners might not be altogether comfortable..."

quote:

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My team won the Louisiana state math bowl in 5th grade on the back of my performance in the mental math section using this exact method.

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I get that the method works.. I do the same thing.

1- She taught it wrong
2- The whole segment shows she's geared towards coddling kids, their feelings and their self-esteem

Explain me this... we've taught to memorize 0 through 9 basic math addition and subtraction forever.

So since, say the year 1900 through year 2000, 100 Million kids have learned it in that method.

During that time, we gone to the moon, harnessed the atom, created the Internet, developed a theory of spacetime and stamped out several diseases including several horrific cancers... what was wrong with the old method?