Thursday, October 02, 2014 2:37:12 PM
Common Core. . .
Imagine third-graders learning how to subtract using this method.
Cheers, PW.
P.S. Take the Common Core challenge. Pick any two numbers and try to subtract one from the other using Common Core guidelines.
I tried subtracting 25 from 150.
I circled 5, got 30, circled 70, got 100, circled 50 and got confused. So I added 5+70+50 and arrived at 125.
But could I have done this if I hadn't known the correct answer from the beginning and used it to guide my steps? Doubtful.
Cheers, PW.
Imagine third-graders learning how to subtract using this method.
Cheers, PW.
P.S. Take the Common Core challenge. Pick any two numbers and try to subtract one from the other using Common Core guidelines.
I tried subtracting 25 from 150.
I circled 5, got 30, circled 70, got 100, circled 50 and got confused. So I added 5+70+50 and arrived at 125.
But could I have done this if I hadn't known the correct answer from the beginning and used it to guide my steps? Doubtful.
Cheers, PW.
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