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Tiffany Ortega
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OUSD's definition of "Communicating Reasoning"
SBAC Claim 3- "Students can:
1)...clearly and precisely construct arguments to support their own reasoning"
2)...and to critique the reasoning of others."

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Reasoning and Proof Rubric

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The inspiration for our rubric was found at this exemplars.com website regarding a CCSS Math Rubric-specifically the Reasoning and proof column.

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Connect Math to the World-Rome, Italy (Posted for Erik Mateljan)

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Connect Math to the World- Granada, Spain  (Posted for Erik Mateljan)

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Fifth grader...finding a common denominator to solve addition/subtraction of fractions.

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Fifth grader...repeated subtraction for division.

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Fifth grader:  "IDK what I am doing"  :)  Trial and error multiplication to solve division problem.

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Fifth grader explaining his reasoning for adding and subtracting fractions.

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A student communicates his reasoning on a problem on elapsed time.
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