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Nz Maths Problem Solving Lesson Plans: Level 1
NZMaths, a New Zealand teacher resource, provides lesson plans for students in algebra, geometry, measurement, numbers, statistics, logic and reasoning.
TED Talks
Ted: Ted Ed: Can You Solve the Temple Riddle?
Your expedition finally stands at the heart of the ancient temple. But as you study the inscriptions in the darkness, two wisps of green smoke burst forth. The walls begin to shake. The giant sandglass begins flowing with less than an...