visual model reducing fractions

Posted on April 3, 2017

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Wondering if anybody’s tried this:

I’ve seen showing the visual of pies and shapes cut into pieces to “show” equivalent fractions.  I’ve seen it not work.  I’ve almost always seen it fail to transfer.

I wonder about using the “fractions of groups of whole things” idea, instead.   I’ve sometimes gotten the “click” when I relate fractions to tests:   10 out of 20 would mean you got half the questions right, right?

Could I do it with circles?   Has it been done?   It doesn’t lend itself to searching (tho’ I’ll try a few more things… like… arrays…).

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