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Rotating door at hotel in Amsterdam. What mathematical questions can you ask?
Napier's Bones
Penn Kemp's pick for Mathfest.ca 2012 - Math Performance Video by our own Midtown OISE (2012) Laura!-
Abacus -
In any household, the refrigerator door attracts a lot of traffic. That makes it the perfect place to post puzzles for children. (Ontario Ministry of Education Parent Podcast). -
Jay Ingram's pick for Mathfest.ca [Mathfest.ca] 2012 - Math Performance Video by our own Midtown OISE (2012) Kevin, Niki, Patrick and Jasmine! -
The Whole of Ethan - What mathematical questions can you ask?
