Thursday, October 2, 2014

And now subtraction...

The September 13th, 2014 blog entry 'Eh?' discussed multiplication and the 'skip counting' of the "Common Core." '6 Steps to Subtract 2 Numbers: Common Core Homework in 1 Photo' takes a look at subtraction by 'counting up.'One wonders what the method is when subtracting a larger number from a smaller one!

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