I already wrote about dividing fractions here and here. I use the explanation of “dividing by one” to explain why 5/6 divided by 2/3 is the same as 5/6 times 3/2. But when I was asked recently about how the “common denominator” strategy worked, my muted response was, “Because it does.” I didn’t mean to […]
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Visual Patterns
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180 Days of Math at Mesa
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Which One Doesn't Belong?
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Fractions Talk