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Oleg Gleizer

October 20, 2011

From the introduction: This book has originated from the state of desperation parents of a 5-year-old boy, themselves mathematicians, have got into while searching for a proper school for their kid. We have looked both into the public and private sector, including some rather expensive private schools, and couldn't find any where they teach math, physics, and/or computer science at the 21st century level. The following are the two questions the author has asked the math teachers he had interviewed. 1. Given a straight line and a point away from it, how would you draw another straight line passing through the point and parallel to the original line, using a compass and straightedge as tools? 2. How would you draw a four-dimensional (4D) cube? **5 Time and space (a sample chapter)** 5.1 Adding and subtracting multi-digit numbers 5.2 Choosing coordinates on a straight line and on a circle 5.3 Using a latitude line as a clock 5.4 Angles and 2D polygons 5.5 Navigating the globe 5.6 Arithmetic on a circle

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