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Showing posts with label fractions. Show all posts
Showing posts with label fractions. Show all posts

RYSK: Shepard's The Role of Assessment in a Learning Culture (2000)

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This is the 13th in a series describing " Research You Should Know " (RYSK). In her presidential address at the 2000 AERA confe...

Modeling Dimensional Analysis

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I generally ask myself two questions when I examine the design of a mathematical task: What is the context? How can we model the mathemat...

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...

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...

Dividing by Fractions

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In his recent post " Math is a dangerous subject to teach ," Joe Bower discusses the ability to learn the procedures of math with...
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