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Sian Zelbo
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1001 Math Problems
1001 Math Problems
1001mathproblems.com
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1001 Math Problems
1001 Math Problems
1001mathproblems.com
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1001 Math Problems
1001 Math Problems
1001mathproblems.com
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1001 Math Problems
1001 Math Problems
1001mathproblems.com
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1001 Math Problems
1001 Math Problems
1001mathproblems.com
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1001 Math Problems
1001 Math Problems
1001mathproblems.com
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Camp Logic: Activities for Sharpening Reasoning Skills
Check out the crowd funding campaign for my new book, Camp Logic .  This Creative Commons book is for teachers, parents, and math circle leaders who want to engage students with informal, playful activities that sharpen their logical reasoning skills. http:...
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