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Spreadsheets:
A Dynamic Path to
Understanding Math
presented at NCTM Baltimore Oct. 2010
by Wendy Petti
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wpetti@mathcats.com
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creating and extending patterns (without formulas)random numbers
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colors, letters, numbersfind square roots
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arithmetic sequencesdice rolls and frequency table
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create bingo boards
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creating and extending patterns with formulasestimation activity
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c = a + b
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special sequencesother applications
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grains of ricemagic squares
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compound interestself-checking quiz
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comments: create a dynamic lesson
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data analysisword art
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sort datacreate a brick wall pattern with merged cells
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graph data: bar graphs, pictographs, pie charts…math magic
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mean, median, and modecats puzzle
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filter data (using sample growth data)
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conversionsPascal's triangle
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Pascal's triangle 1
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sliders (scroll bars) Pascal's triangle 2
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function machine with hidden formula and line graphPascal's triangle 3
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Pascal's triangle puzzle
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resourcesPascal's triangle and Fibonacci numbers
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Web resourcesPascal's triangle and triangular numbers
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how to
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glossary
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big ideas and other notes
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