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Feb 21, 2014, 3:40 AM
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Judah Schwartz edited ...updates
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Feb 21, 2014, 3:38 AM
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Judah Schwartz edited g. Physics nuggets
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Feb 21, 2014, 3:34 AM
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Judah Schwartz edited g. Physics nuggets
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Feb 20, 2014, 12:23 PM
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Judah Schwartz edited ...updates
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Feb 20, 2014, 12:20 PM
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Judah Schwartz edited g. Physics nuggets
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Feb 20, 2014, 12:20 PM
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Judah Schwartz edited g. Physics nuggets
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Feb 19, 2014, 4:54 PM
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Judah Schwartz edited ...updates
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Feb 19, 2014, 4:53 PM
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Judah Schwartz edited ...updates
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Feb 19, 2014, 4:48 PM
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Judah Schwartz edited h. Number sense & Computation calisthenics
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Feb 18, 2014, 11:40 AM
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Judah Schwartz edited what makes a good challenge ?
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Feb 18, 2014, 9:31 AM
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Judah Schwartz edited the challenges
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Feb 18, 2014, 9:24 AM
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Judah Schwartz edited h. Number sense & Computation calisthenics
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Feb 18, 2014, 9:23 AM
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Judah Schwartz edited h. Number sense & Computation calisthenics
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Feb 18, 2014, 9:22 AM
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Judah Schwartz edited h. Number sense & Computation calisthenics
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Feb 18, 2014, 9:21 AM
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Judah Schwartz edited h. Number sense & Computation calisthenics
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Feb 18, 2014, 9:20 AM
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Judah Schwartz edited h. Number sense & Computation calisthenics
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Feb 18, 2014, 9:18 AM
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Judah Schwartz edited h. Number sense & Computation calisthenics
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Feb 18, 2014, 9:16 AM
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Judah Schwartz edited what makes a good challenge ?
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Feb 18, 2014, 9:10 AM
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Judah Schwartz edited what makes a good challenge
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Feb 18, 2014, 9:08 AM
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Judah Schwartz edited on the nature of a good challenge
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Feb 18, 2014, 9:07 AM
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Judah Schwartz edited the nature of a good challenge
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Feb 18, 2014, 9:07 AM
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Judah Schwartz edited the nature of a good challenge
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Feb 18, 2014, 9:07 AM
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Judah Schwartz created the nature of a good challenge
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Feb 18, 2014, 9:04 AM
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Judah Schwartz edited f. Modeling & Formulating
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Feb 18, 2014, 9:01 AM
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Judah Schwartz edited ...updates
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