Post for: #Shanghai Math Education ^{(4 Posts)}

Given that P is a point in parallelogram ABCD, line GF passes through point P and is parallel to AB, line EH passes through point P and is parallel to AD. If the area of…

Question: Suppose a convex polygon has exactly 4 obtuse interior angles. What is the maximum number of the sides of such a polygon? Let’s use regular polygons to explore as all the regular…

My son could say numbers from 1 to 10 in both Chinese and English at age 3. However, numbers to him were nearly the same…

To figure out why Chinese students top in PISA and other math competitions, let us turn to ‘Zhongkao’, which appears to be completely different from…