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1.
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2.
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Linear Measurement Systems
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3.
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A Constructivist Approach for Teaching
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4.
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Data Representation
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5.
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Stories of Teachers Meeting the Challenge of Reform
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6.
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A Constructivist Approach for Teaching
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7.
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Introduction to Fractions
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8.
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9.
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Working with Fives and Tens
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10.
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Vision Lines, Turns, and Measuring Angles
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11.
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12.
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13.
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Data Representation and Analysis
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