https://www.youtube.com/watch?time_c...&v=jyCMkay9XRY
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I was taught the old math and did that in my head in .02 seconds.
I would do it in my head similar to the way she's showing, but not on paper. I'd still do it faster in my head. Not that I'm a math whiz.
35 x 10
+
35 x 2
easy
Not as quick, but easier.
"Alexa, what is 35x12?"
"OK Google, what is 35*12?"
THIS is how "Red for Ed" will destroy us all.