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RYSK: Erlwanger's Benny's Conception of Rules and Answers in IPI Mathematics (1973)

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This is the second in a series of posts describing " Research You Should Know " (RYSK). In 1973, Stanley Erlwanger was a doctora...

Constructivism and the Khan Academy

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Not long after sitting down at my computer this morning, there was this tweet from David Wees : “How would you explain constructivism to s...

A Pretty Short Explanation of "Invert and Multiply"

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I can't remember if I've seen this one before, but I thought it was worth sharing. I found it in a forthcoming book by Pamela Harris...

Not (Yet) Sold on Tablets in the Classroom

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I keep seeing a lot of stories and posts about tablets (usually iPads) in the classroom. Some glowing with promise, others more skeptical. F...

RYSK: Brownell's The Place of Meaning in the Teaching of Arithmetic

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This is the first in a series of posts describing " Research You Should Know " (RYSK). Prior to the emergence of mathematics edu...
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